author | Gareth Stockwell <gareth.stockwell@accenture.com> |
Fri, 05 Nov 2010 17:31:20 +0000 | |
branch | bug235_bringup_0 |
changeset 215 | 097e92a68d68 |
parent 0 | 5d03bc08d59c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Light implementation |
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* |
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*/ |
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|
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|
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/*! |
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* \internal |
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* \file |
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* \brief Light implementation |
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*/ |
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|
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#ifndef M3G_CORE_INCLUDE |
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# error included by m3g_core.c; do not compile separately. |
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#endif |
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|
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#include "m3g_light.h" |
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#include "m3g_animationtrack.h" |
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|
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/*---------------------------------------------------------------------- |
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* Internal functions |
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*--------------------------------------------------------------------*/ |
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|
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/*! |
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* \internal |
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* \brief Overloaded Node method. |
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* |
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* Insert light to render queue. |
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* |
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* \param self Light object |
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* \param toCamera transform to camera |
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* \param alphaFactor total alpha factor |
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* \param caller caller node |
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* \param renderQueue RenderQueue |
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* |
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* \retval M3G_TRUE continue render setup |
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* \retval M3G_FALSE abort render setup |
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*/ |
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static M3Gbool m3gLightSetupRender(Node *self, |
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const Node *caller, |
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SetupRenderState *s, |
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RenderQueue *renderQueue) |
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{ |
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M3G_UNREF(caller); |
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|
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if (renderQueue->lightManager != NULL) { |
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Light *light = (Light *)self; |
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|
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if (self->enableBits & NODE_RENDER_BIT) { |
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if (m3gInsertLight(renderQueue->lightManager, |
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light, &s->toCamera, M3G_INTERFACE(light)) == -1) |
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return M3G_FALSE; |
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} |
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} |
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|
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return M3G_TRUE; |
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} |
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|
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/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param property animation property |
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* \retval M3G_TRUE property supported |
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* \retval M3G_FALSE property not supported |
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*/ |
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static M3Gbool m3gLightIsCompatible(M3Gint property) |
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{ |
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switch (property) { |
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case M3G_ANIM_COLOR: |
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case M3G_ANIM_INTENSITY: |
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case M3G_ANIM_SPOT_ANGLE: |
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case M3G_ANIM_SPOT_EXPONENT: |
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return M3G_TRUE; |
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default: |
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return m3gNodeIsCompatible(property); |
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} |
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} |
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|
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/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param self Light object |
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* \param property animation property |
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* \param valueSize size of value array |
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* \param value value array |
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*/ |
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static void m3gLightUpdateProperty(Object *self, |
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M3Gint property, |
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M3Gint valueSize, |
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const M3Gfloat *value) |
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{ |
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|
106 |
Light *light = (Light *)self; |
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|
107 |
M3G_VALIDATE_OBJECT(light); |
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108 |
M3G_ASSERT_PTR(value); |
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109 |
|
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110 |
switch (property) { |
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111 |
case M3G_ANIM_COLOR: |
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112 |
M3G_ASSERT(valueSize >= 3); |
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113 |
light->color = m3gColor3f(value[0], value[1], value[2]); |
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114 |
break; |
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115 |
case M3G_ANIM_INTENSITY: |
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116 |
M3G_ASSERT(valueSize >= 1); |
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117 |
light->intensity = value[0]; |
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118 |
break; |
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119 |
case M3G_ANIM_SPOT_ANGLE: |
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120 |
M3G_ASSERT(valueSize >= 1); |
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121 |
light->spotAngle = m3gClampFloat(value[0], 0.f, 90.f); |
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122 |
break; |
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123 |
case M3G_ANIM_SPOT_EXPONENT: |
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124 |
M3G_ASSERT(valueSize >= 1); |
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125 |
light->spotExponent = m3gClampFloat(value[0], 0.f, 128.f); |
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126 |
break; |
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127 |
default: |
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128 |
m3gNodeUpdateProperty(self, property, valueSize, value); |
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129 |
} |
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130 |
} |
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131 |
|
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132 |
/*! |
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133 |
* \internal |
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134 |
* \brief Overloaded Object3D method. |
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135 |
* |
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136 |
* \param originalObj original Light object |
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137 |
* \param cloneObj pointer to cloned Light object |
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138 |
* \param pairs array for all object-duplicate pairs |
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139 |
* \param numPairs number of pairs |
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140 |
*/ |
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141 |
static M3Gbool m3gLightDuplicate(const Object *originalObj, |
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142 |
Object **cloneObj, |
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143 |
Object **pairs, |
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144 |
M3Gint *numPairs) |
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145 |
{ |
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146 |
const Light *original = (const Light *) originalObj; |
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147 |
Light *clone; |
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148 |
M3G_ASSERT(*cloneObj == NULL); /* no derived classes for light */ |
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149 |
|
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150 |
/* Create the clone object and exit on failure */ |
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151 |
|
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152 |
clone = (Light *)m3gCreateLight(originalObj->interface); |
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153 |
if (!clone) { |
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154 |
return M3G_FALSE; |
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155 |
} |
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156 |
*cloneObj = (Object *)clone; |
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157 |
|
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|
158 |
/* Duplicate base class data */ |
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159 |
|
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160 |
if (!m3gNodeDuplicate(originalObj, cloneObj, pairs, numPairs)) { |
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161 |
return M3G_FALSE; |
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162 |
} |
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|
163 |
|
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164 |
/* Duplicate own data */ |
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165 |
|
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|
166 |
clone->constantAttenuation = original->constantAttenuation; |
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|
167 |
clone->linearAttenuation = original->linearAttenuation; |
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|
168 |
clone->quadraticAttenuation = original->quadraticAttenuation; |
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|
169 |
clone->intensity = original->intensity; |
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|
170 |
clone->color = original->color; |
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|
171 |
clone->mode = original->mode; |
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|
172 |
clone->spotAngle = original->spotAngle; |
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|
173 |
clone->spotExponent = original->spotExponent; |
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|
174 |
|
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|
175 |
return M3G_TRUE; |
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176 |
} |
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|
177 |
|
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178 |
/*! |
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179 |
* \internal |
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180 |
* \brief Initializes a Light object. See specification |
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181 |
* for default values. |
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182 |
* |
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183 |
* \param m3g M3G interface |
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184 |
* \param light Light object |
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185 |
*/ |
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186 |
static void m3gInitLight(Interface *m3g, Light *light) |
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187 |
{ |
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|
188 |
/* Light is derived from node */ |
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189 |
m3gInitNode(m3g, &light->node, M3G_CLASS_LIGHT); |
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|
190 |
|
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|
191 |
light->constantAttenuation = 1.0f; |
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|
192 |
light->intensity = 1.0f; |
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|
193 |
light->color = 0x00ffffff; /* Full white */ |
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|
194 |
light->mode = M3G_DIRECTIONAL; |
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|
195 |
light->spotAngle = 45.0f; |
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196 |
} |
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|
197 |
|
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198 |
/*! |
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|
199 |
* \internal |
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200 |
* \brief Applies this light to the current OpenGL context. |
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201 |
* |
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202 |
* \param self Light object |
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203 |
* \param glLight OpenGL light index |
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204 |
* \param pos light position |
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205 |
* \param spotDir light direction |
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206 |
*/ |
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207 |
static void m3gApplyLight(const Light *self, |
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208 |
GLenum glLight, |
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209 |
const Vec4 *pos, |
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const Vec4 *spotDir) |
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{ |
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static const M3Gfloat BLACK[] = { 0.0f, 0.0f, 0.0f, 0.0f }; |
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M3Gfloat light[4]; |
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|
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M3G_ASSERT(m3gInRange(glLight, GL_LIGHT0, GL_LIGHT7)); |
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glEnable(glLight); |
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|
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m3gFloatColor(self->color, self->intensity, light); |
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219 |
|
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/* Set light position */ |
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221 |
|
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if (self->mode == M3G_DIRECTIONAL) { |
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GLfloat temp[4]; |
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temp[0] = -spotDir->x; |
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temp[1] = -spotDir->y; |
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temp[2] = -spotDir->z; |
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temp[3] = 0.0f; |
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glLightfv(glLight, GL_POSITION, temp); |
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} |
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else { |
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glLightfv(glLight, GL_POSITION, &pos->x); |
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if (self->mode == M3G_SPOT) { |
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glLightfv(glLight, GL_SPOT_DIRECTION, &spotDir->x); |
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} |
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} |
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236 |
|
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/* Set ambient, diffuse, and specular contributions */ |
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238 |
|
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if (self->mode == M3G_AMBIENT) { |
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glLightfv(glLight, GL_AMBIENT, light); |
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glLightfv(glLight, GL_DIFFUSE, BLACK); |
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glLightfv(glLight, GL_SPECULAR, BLACK); |
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} |
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else { |
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glLightfv(glLight, GL_AMBIENT, BLACK); |
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glLightfv(glLight, GL_DIFFUSE, light); |
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glLightfv(glLight, GL_SPECULAR, light); |
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} |
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249 |
|
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/* Set spot parameters */ |
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251 |
|
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if (self->mode == M3G_SPOT) { |
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glLightf(glLight, GL_SPOT_EXPONENT, self->spotExponent); |
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glLightf(glLight, GL_SPOT_CUTOFF, self->spotAngle); |
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} |
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else { |
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glLightf(glLight, GL_SPOT_CUTOFF, 180.0f); |
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} |
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259 |
|
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/* Set attenuation */ |
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|
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if (self->mode == M3G_OMNI || self->mode == M3G_SPOT) { |
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glLightf(glLight, GL_CONSTANT_ATTENUATION, self->constantAttenuation); |
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glLightf(glLight, GL_LINEAR_ATTENUATION, self->linearAttenuation); |
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glLightf(glLight, GL_QUADRATIC_ATTENUATION, self->quadraticAttenuation); |
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} |
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else if (self->mode == M3G_AMBIENT) { |
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glLightf(glLight, GL_CONSTANT_ATTENUATION, 1.0f); |
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glLightf(glLight, GL_LINEAR_ATTENUATION, 0.0f); |
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glLightf(glLight, GL_QUADRATIC_ATTENUATION, 0.0f); |
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} |
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} |
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273 |
|
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/*---------------------------------------------------------------------- |
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* Virtual function table |
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*--------------------------------------------------------------------*/ |
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|
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static const NodeVFTable m3gvf_Light = { |
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{ |
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{ |
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m3gObjectApplyAnimation, |
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m3gLightIsCompatible, |
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m3gLightUpdateProperty, |
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m3gObjectDoGetReferences, |
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m3gObjectFindID, |
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m3gLightDuplicate, |
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m3gDestroyNode |
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} |
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}, |
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m3gNodeAlign, |
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NULL, /* pure virtual DoRender */ |
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m3gNodeGetBBox, |
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m3gNodeRayIntersect, |
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m3gLightSetupRender, |
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m3gNodeUpdateDuplicateReferences, |
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m3gNodeValidate |
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}; |
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|
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|
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/*---------------------------------------------------------------------- |
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* Public API functions |
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*--------------------------------------------------------------------*/ |
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|
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/*! |
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* \brief Creates a Light object. |
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* |
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* \param interface M3G interface |
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* \retval Light new Light object |
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* \retval NULL Light creating failed |
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*/ |
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M3G_API M3GLight m3gCreateLight(M3GInterface interface) |
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{ |
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313 |
Interface *m3g = (Interface *) interface; |
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314 |
M3G_VALIDATE_INTERFACE(m3g); |
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|
315 |
|
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316 |
{ |
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Light *light = m3gAllocZ(m3g, sizeof(Light)); |
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318 |
|
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if (light != NULL) { |
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m3gInitLight(m3g, light); |
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} |
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|
322 |
|
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return (M3GLight) light; |
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} |
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} |
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|
326 |
|
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327 |
/*! |
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* \brief Set light intensity. |
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329 |
* |
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* \param handle Light object |
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* \param intensity light intensity |
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*/ |
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333 |
M3G_API void m3gSetIntensity(M3GLight handle, M3Gfloat intensity) |
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|
334 |
{ |
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335 |
Light *light = (Light *) handle; |
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M3G_VALIDATE_OBJECT(light); |
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|
337 |
|
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light->intensity = intensity; |
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339 |
} |
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340 |
|
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341 |
/*! |
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342 |
* \brief Set light color as RGB. |
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343 |
* |
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344 |
* \param handle Light object |
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* \param rgb light color as RGB |
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346 |
*/ |
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347 |
M3G_API void m3gSetLightColor(M3GLight handle, M3Guint rgb) |
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348 |
{ |
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349 |
Light *light = (Light *) handle; |
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M3G_VALIDATE_OBJECT(light); |
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|
351 |
|
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light->color = rgb & M3G_RGB_MASK; |
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353 |
} |
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|
354 |
|
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|
355 |
/*! |
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|
356 |
* \brief Set light mode. |
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parents:
diff
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|
357 |
* |
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|
358 |
* \param handle Light object |
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* \param mode light mode |
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|
360 |
*/ |
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|
361 |
M3G_API void m3gSetLightMode(M3GLight handle, M3Gint mode) |
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|
362 |
{ |
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|
363 |
Light *light = (Light *) handle; |
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|
364 |
M3G_VALIDATE_OBJECT(light); |
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|
365 |
|
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|
366 |
if (mode < M3G_AMBIENT || mode > M3G_SPOT) { |
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|
367 |
m3gRaiseError(M3G_INTERFACE(light), M3G_INVALID_VALUE); |
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368 |
return; |
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|
369 |
} |
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|
370 |
|
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|
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light->mode = mode; |
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|
372 |
} |
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|
373 |
|
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|
374 |
/*! |
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|
375 |
* \brief Set light spot angle. |
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parents:
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|
376 |
* |
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|
377 |
* \param handle Light object |
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|
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* \param angle spot angle |
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|
379 |
*/ |
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|
380 |
M3G_API void m3gSetSpotAngle(M3GLight handle, M3Gfloat angle) |
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|
381 |
{ |
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|
382 |
Light *light = (Light *) handle; |
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|
383 |
M3G_VALIDATE_OBJECT(light); |
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|
384 |
|
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|
385 |
if (angle < 0.0f || angle > 90.f) { |
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|
386 |
m3gRaiseError(M3G_INTERFACE(light), M3G_INVALID_VALUE); |
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|
387 |
return; |
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|
388 |
} |
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|
389 |
|
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|
390 |
light->spotAngle = angle; |
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|
391 |
} |
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diff
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|
392 |
|
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|
393 |
/*! |
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|
394 |
* \brief Set light spot exponent. |
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parents:
diff
changeset
|
395 |
* |
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Revision: 201003
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parents:
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|
396 |
* \param handle Light object |
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|
397 |
* \param exponent spot exponent |
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Revision: 201003
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|
398 |
*/ |
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Revision: 201003
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parents:
diff
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|
399 |
M3G_API void m3gSetSpotExponent(M3GLight handle, M3Gfloat exponent) |
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Revision: 201003
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parents:
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|
400 |
{ |
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Revision: 201003
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parents:
diff
changeset
|
401 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
M3G_VALIDATE_OBJECT(light); |
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Revision: 201003
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parents:
diff
changeset
|
403 |
|
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Revision: 201003
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parents:
diff
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|
404 |
if (exponent < 0.0f || exponent > 128.0f) { |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
m3gRaiseError(M3G_INTERFACE(light), M3G_INVALID_VALUE); |
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Revision: 201003
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parents:
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|
406 |
return; |
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Revision: 201003
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parents:
diff
changeset
|
407 |
} |
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Revision: 201003
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parents:
diff
changeset
|
408 |
|
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Revision: 201003
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parents:
diff
changeset
|
409 |
light->spotExponent = exponent; |
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Revision: 201003
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parents:
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changeset
|
410 |
} |
5d03bc08d59c
Revision: 201003
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parents:
diff
changeset
|
411 |
|
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Revision: 201003
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parents:
diff
changeset
|
412 |
/*! |
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Revision: 201003
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parents:
diff
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|
413 |
* \brief Set light attenuation factors. |
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Revision: 201003
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parents:
diff
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|
414 |
* |
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Revision: 201003
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parents:
diff
changeset
|
415 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
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parents:
diff
changeset
|
416 |
* \param constant constant attenuation |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
* \param linear linear attenuation |
5d03bc08d59c
Revision: 201003
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parents:
diff
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|
418 |
* \param quadratic quadratic attenuation |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
M3G_API void m3gSetAttenuation(M3GLight handle, |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
M3Gfloat constant, |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
M3Gfloat linear, |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
M3Gfloat quadratic) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
if (constant < 0.0f || linear < 0.0f || quadratic < 0.0f |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
|| (constant == 0.0f && linear == 0.0f && quadratic == 0.0f)) { |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
m3gRaiseError(M3G_INTERFACE(light), M3G_INVALID_VALUE); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
return; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
light->constantAttenuation = constant; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
light->linearAttenuation = linear; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
light->quadraticAttenuation = quadratic; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
* \brief Get light intensity. |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
* \return light intensity |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
M3G_API M3Gfloat m3gGetIntensity(M3GLight handle) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
return light->intensity; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
* \brief Get light color as RGB. |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
* \return light color as RGB |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
M3G_API M3Guint m3gGetLightColor(M3GLight handle) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
return light->color; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
* \brief Get light mode. |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
* \return light mode |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
M3G_API M3Gint m3gGetLightMode(M3GLight handle) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
return light->mode; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
* \brief Get light spot angle. |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
* \return light spot angle |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
M3G_API M3Gfloat m3gGetSpotAngle(M3GLight handle) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
return light->spotAngle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
* \brief Get light spot exponent. |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
* \return light spot exponent |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
M3G_API M3Gfloat m3gGetSpotExponent(M3GLight handle) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
return light->spotExponent; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
/*! |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
* \brief Get light attenuation factor. |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
* |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
* \param handle Light object |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
* \param type which factor to return |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
* \arg M3G_GET_CONSTANT |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
* \arg M3G_GET_LINEAR |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
* \arg M3G_GET_QUADRATIC |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
* \return light attenuation factor |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
*/ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
M3G_API M3Gfloat m3gGetAttenuation(M3GLight handle, M3Gint type) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
Light *light = (Light *) handle; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
M3G_VALIDATE_OBJECT(light); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
switch(type) { |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
case M3G_GET_CONSTANT: |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
return light->constantAttenuation; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
case M3G_GET_LINEAR: |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
return light->linearAttenuation; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
case M3G_GET_QUADRATIC: |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
default: |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
return light->quadraticAttenuation; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |