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GRAPHICS: Add shadow mode to grim actors [OpenGLS]

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This commit is contained in:
Dries Harnie 2014-01-22 23:43:10 +01:00
parent 6c8a35e53b
commit ca20357bd5
2 changed files with 44 additions and 1 deletions
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24
engines/grim/gfx_opengl_shaders.cpp
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@ -456,6 +456,26 @@ void GfxOpenGLS::startActorDraw(const Actor *actor) {
_actorProgram->setUniform("texcropZBuf", _zBufTexCrop);
_actorProgram->setUniform("screenSize", Math::Vector2d(_screenWidth, _screenHeight));
if (_currentShadowArray) {
const Sector *shadowSector = _currentShadowArray->planeList.front().sector;
const Math::Vector3d color = Math::Vector3d(_shadowColorR, _shadowColorG, _shadowColorB) / 255.f;
Math::Vector3d normal = shadowSector->getNormal();
if (!_currentShadowArray->dontNegate)
normal = -normal;
_actorProgram->setUniform("shadow._active", true);
_actorProgram->setUniform("shadow._color", color);
_actorProgram->setUniform("shadow._light", _currentShadowArray->pos);
_actorProgram->setUniform("shadow._point", shadowSector->getVertices()[0]);
_actorProgram->setUniform("shadow._normal", normal);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glEnable(GL_POLYGON_OFFSET_FILL);
} else {
_actorProgram->setUniform("shadow._active", false);
}
_actorProgram->setUniform("lightsEnabled", _lightsEnabled);
if (_lightsEnabled) {
for (int i = 0; i < _maxLights; ++i) {
@ -482,6 +502,7 @@ void GfxOpenGLS::startActorDraw(const Actor *actor) {
void GfxOpenGLS::finishActorDraw() {
_currentActor = NULL;
glDisable(GL_POLYGON_OFFSET_FILL);
}
void GfxOpenGLS::setShadow(Shadow *shadow) {
@ -654,7 +675,8 @@ void GfxOpenGLS::drawMesh(const Mesh *mesh) {
faces += 3 * (mesh->_faces[i]._numVertices - 2);
}
actorShader->setUniform("textured", face->_texVertices ? GL_TRUE : GL_FALSE);
bool textured = face->_texVertices && ! _currentShadowArray;
actorShader->setUniform("textured", textured ? GL_TRUE : GL_FALSE);
actorShader->setUniform("texScale", Math::Vector2d(_selectedTexture->_width, _selectedTexture->_height));
glDrawArrays(GL_TRIANGLES, *(int *)face->_userData, faces);