phaneron/Kelsidavis-WoWee
1
0
Fork 0
mirror of https://github.com/Kelsidavis/WoWee.git synced 2026-03-24 16:10:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 18

Implement shadow mapping pipeline for terrain and models

Browse source
This commit is contained in:
Kelsi 2026-02-04 16:08:35 -08:00
parent dede5a99d4
commit f17b15395d
6 changed files with 306 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/rendering/terrain_renderer.cpp
View file

@ -279,6 +279,21 @@ GLuint TerrainRenderer::createAlphaTexture(const std::vector<uint8_t>& alphaData
return textureID;
}
void TerrainRenderer::renderShadow(GLuint shaderProgram) {
if (chunks.empty()) return;
GLint modelLoc = glGetUniformLocation(shaderProgram, "uModel");
glm::mat4 identity(1.0f);
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, &identity[0][0]);
for (const auto& chunk : chunks) {
if (!chunk.isValid()) continue;
glBindVertexArray(chunk.vao);
glDrawElements(GL_TRIANGLES, chunk.indexCount, GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
}
}
void TerrainRenderer::render(const Camera& camera) {
if (chunks.empty() || !shader) {
return;
@ -340,6 +355,15 @@ void TerrainRenderer::render(const Camera& camera) {
shader->setUniform("uFogEnd", 100001.0f); // Effectively disabled
}
// Shadow map
shader->setUniform("uShadowEnabled", shadowEnabled ? 1 : 0);
if (shadowEnabled) {
shader->setUniform("uLightSpaceMatrix", lightSpaceMatrix);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, shadowDepthTex);
shader->setUniform("uShadowMap", 7);
}
// Extract frustum for culling
Frustum frustum;
if (frustumCullingEnabled) {