summaryrefslogtreecommitdiffstats
path: root/src/RendererSection.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/RendererSection.cpp')
-rw-r--r--src/RendererSection.cpp178
1 files changed, 100 insertions, 78 deletions
diff --git a/src/RendererSection.cpp b/src/RendererSection.cpp
index 8262cef..b02f044 100644
--- a/src/RendererSection.cpp
+++ b/src/RendererSection.cpp
@@ -2,47 +2,7 @@
#include <thread>
-const GLfloat vertices[] = {
- 0, 0, 0,
- 1, 0, 1,
- 1, 0, 0,
-
- 0, 0, 0,
- 0, 0, 1,
- 1, 0, 1,
-};
-
-const GLfloat uv_coords[] = {
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
-
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
-};
-
-const GLuint magicUniqueConstant = 88375;
-GLuint RendererSection::VboVertices = magicUniqueConstant;
-GLuint RendererSection::VboUvs = magicUniqueConstant;
-
RendererSection::RendererSection(RendererSectionData data) {
- if (VboVertices == magicUniqueConstant) {
- glGenBuffers(1, &VboVertices);
- glGenBuffers(1, &VboUvs);
-
- //Cube vertices
- glBindBuffer(GL_ARRAY_BUFFER, VboVertices);
- glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-
- //Cube UVs
- glBindBuffer(GL_ARRAY_BUFFER, VboUvs);
- glBufferData(GL_ARRAY_BUFFER, sizeof(uv_coords), uv_coords, GL_STATIC_DRAW);
-
- LOG(INFO) << "Created VBOs with vertices (" << VboVertices << ") and UVs (" << VboUvs
- << ") for faces";
- }
-
glGenVertexArrays(1, &Vao);
glGenBuffers(VBOCOUNT, Vbo);
@@ -51,13 +11,13 @@ RendererSection::RendererSection(RendererSectionData data) {
{
//Cube vertices
GLuint VertAttribPos = 0;
- glBindBuffer(GL_ARRAY_BUFFER, VboVertices);
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo[VERTICES]);
glVertexAttribPointer(VertAttribPos, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), nullptr);
glEnableVertexAttribArray(VertAttribPos);
//Cube UVs
GLuint UvAttribPos = 2;
- glBindBuffer(GL_ARRAY_BUFFER, VboUvs);
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo[UV]);
glVertexAttribPointer(UvAttribPos, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), nullptr);
glEnableVertexAttribArray(UvAttribPos);
@@ -66,39 +26,19 @@ RendererSection::RendererSection(RendererSectionData data) {
glBindBuffer(GL_ARRAY_BUFFER, Vbo[TEXTURES]);
glVertexAttribPointer(textureAttribPos, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(GLfloat), nullptr);
glEnableVertexAttribArray(textureAttribPos);
- glVertexAttribDivisor(textureAttribPos, 1);
glCheckError();
- //Blocks models
- GLuint matAttribPos = 8;
- size_t sizeOfMat4 = 4 * 4 * sizeof(GLfloat);
- glBindBuffer(GL_ARRAY_BUFFER, Vbo[MODELS]);
- glVertexAttribPointer(matAttribPos + 0, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, nullptr);
- glVertexAttribPointer(matAttribPos + 1, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *)(1 * 4 * sizeof(GLfloat)));
- glVertexAttribPointer(matAttribPos + 2, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *)(2 * 4 * sizeof(GLfloat)));
- glVertexAttribPointer(matAttribPos + 3, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *)(3 * 4 * sizeof(GLfloat)));
- glEnableVertexAttribArray(matAttribPos + 0);
- glEnableVertexAttribArray(matAttribPos + 1);
- glEnableVertexAttribArray(matAttribPos + 2);
- glEnableVertexAttribArray(matAttribPos + 3);
- glVertexAttribDivisor(matAttribPos + 0, 1);
- glVertexAttribDivisor(matAttribPos + 1, 1);
- glVertexAttribDivisor(matAttribPos + 2, 1);
- glVertexAttribDivisor(matAttribPos + 3, 1);
-
//Color
GLuint colorAttribPos = 12;
glBindBuffer(GL_ARRAY_BUFFER, Vbo[COLORS]);
glVertexAttribPointer(colorAttribPos, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), nullptr);
glEnableVertexAttribArray(colorAttribPos);
- glVertexAttribDivisor(colorAttribPos, 1);
//Light
GLuint lightAttribPos = 13;
glBindBuffer(GL_ARRAY_BUFFER, Vbo[LIGHTS]);
glVertexAttribPointer(lightAttribPos, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), nullptr);
glEnableVertexAttribArray(lightAttribPos);
- glVertexAttribDivisor(lightAttribPos, 1);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
@@ -107,11 +47,14 @@ RendererSection::RendererSection(RendererSectionData data) {
//Upload data to VRAM
- glBindBuffer(GL_ARRAY_BUFFER, Vbo[TEXTURES]);
- glBufferData(GL_ARRAY_BUFFER, data.textures.size() * sizeof(glm::vec4), data.textures.data(), GL_DYNAMIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo[VERTICES]);
+ glBufferData(GL_ARRAY_BUFFER, data.vertices.size() * sizeof(glm::vec3), data.vertices.data(), GL_DYNAMIC_DRAW);
+
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo[UV]);
+ glBufferData(GL_ARRAY_BUFFER, data.uv.size() * sizeof(glm::vec2), data.uv.data(), GL_DYNAMIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, Vbo[MODELS]);
- glBufferData(GL_ARRAY_BUFFER, data.models.size() * sizeof(glm::mat4), data.models.data(), GL_DYNAMIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo[TEXTURES]);
+ glBufferData(GL_ARRAY_BUFFER, data.textures.size() * sizeof(glm::vec4), data.textures.data(), GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, Vbo[COLORS]);
glBufferData(GL_ARRAY_BUFFER, data.colors.size() * sizeof(glm::vec3), data.colors.data(), GL_DYNAMIC_DRAW);
@@ -119,11 +62,11 @@ RendererSection::RendererSection(RendererSectionData data) {
glBindBuffer(GL_ARRAY_BUFFER, Vbo[LIGHTS]);
glBufferData(GL_ARRAY_BUFFER, data.lights.size() * sizeof(glm::vec2), data.lights.data(), GL_DYNAMIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
+glBindBuffer(GL_ARRAY_BUFFER, 0);
- numOfFaces = data.textures.size();
- sectionPos = data.sectionPos;
- hash = data.hash;
+numOfFaces = data.textures.size();
+sectionPos = data.sectionPos;
+hash = data.hash;
}
RendererSection::RendererSection(RendererSection && other) {
@@ -134,7 +77,7 @@ RendererSection::RendererSection(RendererSection && other) {
RendererSection::~RendererSection() {
if (Vao != 0)
glDeleteVertexArrays(1, &Vao);
-
+
for (int i = 0; i < VBOCOUNT; i++)
if (Vbo[i] != 0) {
glBindBuffer(GL_ARRAY_BUFFER, Vbo[i]);
@@ -153,9 +96,9 @@ void swap(RendererSection & lhs, RendererSection & rhs) {
}
void RendererSection::Render(RenderState &renderState) {
- renderState.SetActiveVao(Vao);
- glDrawArraysInstanced(GL_TRIANGLES, 0, 6, numOfFaces);
- glCheckError();
+ renderState.SetActiveVao(Vao);
+ glDrawArrays(GL_TRIANGLES, 0, numOfFaces);
+ glCheckError();
}
Vector RendererSection::GetPosition()
@@ -168,13 +111,13 @@ size_t RendererSection::GetHash()
return hash;
}
-RendererSectionData::RendererSectionData(World * world, Vector sectionPosition) {
+RendererSectionData::RendererSectionData(World * world, Vector sectionPosition) {
const std::map<BlockTextureId, glm::vec4> &textureAtlas = AssetManager::Instance().GetTextureAtlasIndexes();
const Section &section = world->GetSection(sectionPosition);
hash = section.GetHash();
sectionPos = sectionPosition;
- glm::mat4 baseOffset = glm::translate(glm::mat4(), (section.GetPosition() * 16).glm()),transform;
+ glm::mat4 baseOffset = glm::translate(glm::mat4(), (section.GetPosition() * 16).glm()), transform;
auto sectionsList = world->GetSectionsList();
@@ -196,12 +139,13 @@ RendererSectionData::RendererSectionData(World * world, Vector sectionPosition)
}
else {
transform = glm::translate(transform, glm::vec3(0, 1, 0));
-
+
if (block.id == 8 || block.id == 9) {
textures.push_back(AssetManager::Instance().GetTextureByAssetName("minecraft/textures/blocks/water_still"));
textures.back().w /= 32.0f;
transform = glm::translate(transform, glm::vec3(0, -0.2, 0));
- } else
+ }
+ else
textures.push_back(AssetManager::Instance().GetTextureByAssetName("minecraft/textures/blocks/tnt_side"));
models.push_back(transform);
@@ -212,9 +156,47 @@ RendererSectionData::RendererSectionData(World * world, Vector sectionPosition)
}
}
}
+
+ CreateVertices();
+ models.clear();
+
+ const int mul = 6;
+
+ textures.resize(textures.size() * mul);
+ for (int i = textures.size()/mul - 1; i > 0; i--) {
+ textures[i * mul] = textures[i];
+ }
+ for (int i = 0; i < textures.size(); i += mul) {
+ for (int j = 1; j < mul; j++) {
+ textures[i + j] = textures[i];
+ }
+ }
+
+ colors.resize(colors.size() * mul);
+ for (int i = colors.size() / mul - 1; i > 0; i--) {
+ colors[i * mul] = colors[i];
+ }
+ for (int i = 0; i < colors.size(); i += mul) {
+ for (int j = 1; j < mul; j++) {
+ colors[i + j] = colors[i];
+ }
+ }
+
+ lights.resize(lights.size() * mul);
+ for (int i = lights.size() / mul - 1; i > 0; i--) {
+ lights[i * mul] = lights[i];
+ }
+ for (int i = 0; i < lights.size(); i += mul) {
+ for (int j = 1; j < mul; j++) {
+ lights[i + j] = lights[i];
+ }
+ }
+
textures.shrink_to_fit();
models.shrink_to_fit();
colors.shrink_to_fit();
+ lights.shrink_to_fit();
+ vertices.shrink_to_fit();
}
void RendererSectionData::AddFacesByBlockModel(const std::vector<Vector> &sectionsList, World *world, Vector blockPos, const BlockModel &model, glm::mat4 transform, unsigned char light, unsigned char skyLight) {
@@ -340,4 +322,44 @@ bool RendererSectionData::TestBlockExists(const std::vector<Vector> &sectionsLis
auto blockModel = AssetManager::Instance().GetBlockModelByBlockId(world->GetSection(section).GetBlockId(blockPos));
return blockId.id != 0 && blockModel && blockModel->IsBlock;
+}
+
+void RendererSectionData::CreateVertices() {
+ const GLfloat verts[] = {
+ 0, 0, 0,
+ 1, 0, 1,
+ 1, 0, 0,
+
+ 0, 0, 0,
+ 0, 0, 1,
+ 1, 0, 1,
+ };
+
+ const GLfloat uvs[] = {
+ 0.0f, 0.0f,
+ 1.0f, 1.0f,
+ 0.0f, 1.0f,
+
+ 0.0f, 0.0f,
+ 1.0f, 0.0f,
+ 1.0f, 1.0f,
+ };
+
+ for (const auto &model : models) {
+ vertices.push_back(model * glm::vec4(verts[0], verts[1], verts[2], 1.0f));
+ vertices.push_back(model * glm::vec4(verts[3], verts[4], verts[5], 1.0f));
+ vertices.push_back(model * glm::vec4(verts[6], verts[7], verts[8], 1.0f));
+
+ vertices.push_back(model * glm::vec4(verts[9], verts[10], verts[11], 1.0f));
+ vertices.push_back(model * glm::vec4(verts[12], verts[13], verts[14], 1.0f));
+ vertices.push_back(model * glm::vec4(verts[15], verts[16], verts[17], 1.0f));
+
+ uv.push_back(glm::vec2(uvs[0], uvs[1]));
+ uv.push_back(glm::vec2(uvs[2], uvs[3]));
+ uv.push_back(glm::vec2(uvs[4], uvs[5]));
+
+ uv.push_back(glm::vec2(uvs[6], uvs[7]));
+ uv.push_back(glm::vec2(uvs[8], uvs[9]));
+ uv.push_back(glm::vec2(uvs[10], uvs[11]));
+ }
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 08:32:47 +0200