From f7decf41d8d0062901cd39c42a3669a80537c7df Mon Sep 17 00:00:00 2001 From: LaG1924 <12997935+LaG1924@users.noreply.github.com> Date: Thu, 3 Aug 2017 20:03:59 +0500 Subject: 2017-08-03 --- src/graphics/RenderSection.cpp | 338 ----------------------------------------- 1 file changed, 338 deletions(-) delete mode 100644 src/graphics/RenderSection.cpp (limited to 'src/graphics/RenderSection.cpp') diff --git a/src/graphics/RenderSection.cpp b/src/graphics/RenderSection.cpp deleted file mode 100644 index b07759a..0000000 --- a/src/graphics/RenderSection.cpp +++ /dev/null @@ -1,338 +0,0 @@ -#include - -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, -}; - -void RenderState::SetActiveVao(GLuint Vao) { - if (Vao != ActiveVao) { - glBindVertexArray(Vao); - ActiveVao = Vao; - } -} - -void RenderState::SetActiveShader(GLuint Shader) { - if (Shader != ActiveShader) { - glUseProgram(Shader); - ActiveShader = Shader; - } -} - -const GLuint magicUniqueConstant = 88375; -GLuint RenderSection::VboVertices = magicUniqueConstant; -GLuint RenderSection::VboUvs = magicUniqueConstant; -std::map RenderSection::refCounterVbo; -std::map RenderSection::refCounterVao; - - -RenderSection::RenderSection(World *world, Vector position) : sectionPosition(position), world(world) { - - 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 ordinary blocks"; - } - - glGenBuffers(1, &VboTextures); - if (refCounterVbo.find(VboTextures) == refCounterVbo.end()) - refCounterVbo[VboTextures] = 0; - refCounterVbo[VboTextures]++; - - glGenBuffers(1, &VboModels); - if (refCounterVbo.find(VboModels) == refCounterVbo.end()) - refCounterVbo[VboModels] = 0; - refCounterVbo[VboModels]++; - - glGenBuffers(1, &VboColors); - if (refCounterVbo.find(VboColors) == refCounterVbo.end()) - refCounterVbo[VboColors] = 0; - refCounterVbo[VboColors]++; - - glGenVertexArrays(1, &Vao); - if (refCounterVao.find(Vao) == refCounterVao.end()) - refCounterVao[Vao] = 0; - refCounterVao[Vao]++; - - glBindVertexArray(Vao); - { - //Cube vertices - GLuint VertAttribPos = 0; - glBindBuffer(GL_ARRAY_BUFFER, VboVertices); - glVertexAttribPointer(VertAttribPos, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(VertAttribPos); - - //Cube UVs - GLuint UvAttribPos = 2; - glBindBuffer(GL_ARRAY_BUFFER, VboUvs); - glVertexAttribPointer(UvAttribPos, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(UvAttribPos); - - //Textures - GLuint textureAttribPos = 7; - glBindBuffer(GL_ARRAY_BUFFER, VboTextures); - 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, VboModels); - 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, VboColors); - glVertexAttribPointer(colorAttribPos, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(colorAttribPos); - glVertexAttribDivisor(colorAttribPos, 1); - - glBindBuffer(GL_ARRAY_BUFFER, 0); - } - glBindVertexArray(0); - glCheckError(); -} - -RenderSection::~RenderSection() { - refCounterVbo[VboTextures]--; - refCounterVbo[VboModels]--; - refCounterVbo[VboColors]--; - refCounterVao[Vao]--; - if (refCounterVbo[VboTextures] <= 0) - glDeleteBuffers(1, &VboTextures); - if (refCounterVbo[VboModels] <= 0) - glDeleteBuffers(1, &VboTextures); - if (refCounterVbo[VboColors] <= 0) - glDeleteBuffers(1, &VboColors); - - if (refCounterVao[Vao] <= 0) - glDeleteVertexArrays(1, &Vao); -} - -void RenderSection::UpdateState(const std::map &textureAtlas) { - Section §ion = world->GetSection(sectionPosition); - std::vector models; - std::vector textures; - std::vector colors; - for (int y = 0; y < 16; y++) { - for (int z = 0; z < 16; z++) { - for (int x = 0; x < 16; x++) { - Vector blockPos = Vector(x, y, z) + (sectionPosition * 16); - Block &block = world->GetBlock(blockPos); - if (block.id == 0) - continue; - - auto checkBlockVisibility = [&](Vector block) -> bool { - return section.GetBlock(block).id == 0 || - section.GetBlock(block).id == 31 || - section.GetBlock(block).id == 18; - }; - - unsigned char isVisible = 0; - if (x == 0 || x == 15 || y == 0 || y == 15 || z == 0 || z == 15) { - isVisible = 0b1111'1111; //All faces is visible - } else { - isVisible |= checkBlockVisibility(Vector(x - 1, y, z)) << 0; - isVisible |= checkBlockVisibility(Vector(x + 1, y, z)) << 1; - isVisible |= checkBlockVisibility(Vector(x, y + 1, z)) << 2; - isVisible |= checkBlockVisibility(Vector(x, y - 1, z)) << 3; - isVisible |= checkBlockVisibility(Vector(x, y, z - 1)) << 4; - isVisible |= checkBlockVisibility(Vector(x, y, z + 1)) << 5; - } - - if (isVisible == 0x00) - continue; - - glm::mat4 transform; - transform = glm::translate(transform, glm::vec3(sectionPosition.GetX() * 16, - sectionPosition.GetY() * 16, - sectionPosition.GetZ() * 16)); - transform = glm::translate(transform, glm::vec3(x, y, z)); - glm::vec3 biomeColor(0.275, 0.63, 0.1); - glm::vec3 color(0.0f, 0.0f, 0.0f); - if (block.id == 31 || block.id == 18) - color = biomeColor; - - if (block.id == 31) { //X-cross like blocks rendering - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 2)); - for (int i = 0; i < 4; i++) { - textures.push_back(texture->second); - colors.push_back(color); - } - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(0.15f, 0, 0.15f)); - faceTransform = glm::scale(faceTransform, glm::vec3(1.0f, 0.9f, 1.0f)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(0, 0.0f, 1.0f)); - faceTransform = glm::rotate(faceTransform, glm::radians(45.0f), glm::vec3(1.0f, 0.0f, 0)); - for (int i = 0; i < 4; i++) { - models.push_back(faceTransform); - faceTransform = glm::translate(faceTransform, glm::vec3(0.0f, 0.0f, 0.5f)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f)); - faceTransform = glm::translate(faceTransform, glm::vec3(0.0f, 0.0f, -0.5f)); - } - continue; - } - - if (isVisible >> 0 & 0x1) { //east side of block (X+) - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(0, 0, 0)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(0, 0.0f, 1.0f)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 2)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - colors.push_back(color); - } - if (isVisible >> 1 & 0x1) { //west side X- - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(1, 0, 0)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(0, 0.0f, 1.0f)); - faceTransform = glm::rotate(faceTransform, glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)); - faceTransform = glm::translate(faceTransform, glm::vec3(0, 0, -1)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 3)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - colors.push_back(color); - } - if (isVisible >> 2 & 0x1) { //Top side Y+ - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(0, 1, 0)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 1)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - if (block.id != 2) - colors.push_back(color); - else - colors.push_back(biomeColor); - } - if (isVisible >> 3 & 0x1) { //Bottom side Y- - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(0, 0, 0)); - faceTransform = glm::rotate(faceTransform, glm::radians(180.0f), glm::vec3(1.0f, 0, 0)); - faceTransform = glm::translate(faceTransform, glm::vec3(0, 0, -1)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 0)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - colors.push_back(color); - } - if (isVisible >> 4 & 0x1) { //south side Z+ - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(1, 0, 0)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(-1.0f, 0.0f, 0.0f)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(0.0f, -1.0f, 0.0f)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 3)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - colors.push_back(color); - } - if (isVisible >> 5 & 0x1) { //north side Z- - glm::mat4 faceTransform = glm::translate(transform, glm::vec3(0, 0, 1)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(-1.0f, 0.0f, 0.0f)); - faceTransform = glm::rotate(faceTransform, glm::radians(90.0f), glm::vec3(0.0f, -1.0f, 0.0f)); - faceTransform = glm::translate(faceTransform, glm::vec3(0, 0, -1)); - faceTransform = glm::rotate(faceTransform, glm::radians(180.0f), glm::vec3(1, 0, 0.0f)); - faceTransform = glm::translate(faceTransform, glm::vec3(0, 0, -1.0f)); - models.push_back(faceTransform); - auto texture = textureAtlas.find(BlockTextureId(block.id, block.state, 4)); - if (texture != textureAtlas.end()) - textures.push_back(texture->second); - else - textures.push_back(glm::vec4(0.0546875, 0.00442477876106194690, - 0.0078125, 0.00442477876106194690)); //Fallback TNT texture - colors.push_back(color); - } - } - } - } - - glBindBuffer(GL_ARRAY_BUFFER, VboTextures); - glBufferData(GL_ARRAY_BUFFER, textures.size() * sizeof(glm::vec4), textures.data(), GL_DYNAMIC_DRAW); - - glBindBuffer(GL_ARRAY_BUFFER, VboModels); - glBufferData(GL_ARRAY_BUFFER, models.size() * sizeof(glm::mat4), models.data(), GL_DYNAMIC_DRAW); - - glBindBuffer(GL_ARRAY_BUFFER, VboColors); - glBufferData(GL_ARRAY_BUFFER, colors.size() * sizeof(glm::vec3), colors.data(), GL_DYNAMIC_DRAW); - - glBindBuffer(GL_ARRAY_BUFFER, 0); - - glCheckError(); - - numOfFaces = textures.size(); -} - -void RenderSection::Render(RenderState &state) { - state.SetActiveVao(Vao); - glDrawArraysInstanced(GL_TRIANGLES, 0, 6, numOfFaces); - glCheckError(); -} - -Section *RenderSection::GetSection() { - return &world->GetSection(sectionPosition); -} - -RenderSection::RenderSection(const RenderSection &other) { - this->world = other.world; - this->VboModels = other.VboModels; - this->VboTextures = other.VboTextures; - this->VboColors = other.VboColors; - this->sectionPosition = other.sectionPosition; - this->Vao = other.Vao; - this->numOfFaces = other.numOfFaces; - - refCounterVbo[VboTextures]++; - refCounterVbo[VboModels]++; - refCounterVbo[VboColors]++; - refCounterVao[Vao]++; -} -- cgit v1.2.3