From c62e2cd49649109f0135e56ee8add0dab2254d01 Mon Sep 17 00:00:00 2001 From: LaG1924 <12997935+LaG1924@users.noreply.github.com> Date: Sun, 20 Aug 2017 20:21:29 +0500 Subject: 2017-08-20 --- RenderSection.cpp | 281 ------------------------------------------------------ 1 file changed, 281 deletions(-) delete mode 100644 RenderSection.cpp (limited to 'RenderSection.cpp') diff --git a/RenderSection.cpp b/RenderSection.cpp deleted file mode 100644 index fec67b5..0000000 --- a/RenderSection.cpp +++ /dev/null @@ -1,281 +0,0 @@ -#include - -const GLfloat vertices[] = { - //Z+ edge - -0.5f, 0.5f, 0.5f, - -0.5f, -0.5f, 0.5f, - 0.5f, -0.5f, 0.5f, - -0.5f, 0.5f, 0.5f, - 0.5f, -0.5f, 0.5f, - 0.5f, 0.5f, 0.5f, - - //Z- edge - -0.5f, -0.5f, -0.5f, - -0.5f, 0.5f, -0.5f, - 0.5f, -0.5f, -0.5f, - 0.5f, -0.5f, -0.5f, - -0.5f, 0.5f, -0.5f, - 0.5f, 0.5f, -0.5f, - - //X+ edge - -0.5f, -0.5f, -0.5f, - -0.5f, -0.5f, 0.5f, - -0.5f, 0.5f, -0.5f, - -0.5f, 0.5f, -0.5f, - -0.5f, -0.5f, 0.5f, - -0.5f, 0.5f, 0.5f, - - //X- edge - 0.5f, -0.5f, 0.5f, - 0.5f, 0.5f, -0.5f, - 0.5f, 0.5f, 0.5f, - 0.5f, -0.5f, 0.5f, - 0.5f, -0.5f, -0.5f, - 0.5f, 0.5f, -0.5f, - - //Y+ edge - 0.5f, 0.5f, -0.5f, - -0.5f, 0.5f, 0.5f, - 0.5f, 0.5f, 0.5f, - 0.5f, 0.5f, -0.5f, - -0.5f, 0.5f, -0.5f, - -0.5f, 0.5f, 0.5f, - - //Y- edge - -0.5f, -0.5f, 0.5f, - 0.5f, -0.5f, -0.5f, - 0.5f, -0.5f, 0.5f, - -0.5f, -0.5f, -0.5f, - 0.5f, -0.5f, -0.5f, - -0.5f, -0.5f, 0.5f, -}; - -const GLfloat uv_coords[] = { - //Z+ - 0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 0.0f, - 0.0f, 1.0f, - 1.0f, 0.0f, - 1.0f, 1.0f, - - //Z- - 1.0f, 0.0f, - 1.0f, 1.0f, - 0.0f, 0.0f, - 0.0f, 0.0f, - 1.0f, 1.0f, - 0.0f, 1.0f, - - //X+ - 0.0f, 0.0f, - 1.0f, 0.0f, - 0.0f, 1.0f, - 0.0f, 1.0f, - 1.0f, 0.0f, - 1.0f, 1.0f, - - //X- - 0.0f, 0.0f, - 1.0f, 1.0f, - 0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 0.0f, - 1.0f, 1.0f, - - //Y+ - 0.0f, 0.0f, - 1.0f, 1.0f, - 0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 0.0f, - 1.0f, 1.0f, - - //Y- - 1.0f, 0.0f, - 0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 1.0f, - 0.0f, 1.0f, - 1.0f, 0.0f, -}; - -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, &VboBlocks); - if (refCounterVbo.find(VboBlocks) == refCounterVbo.end()) - refCounterVbo[VboBlocks] = 0; - refCounterVbo[VboBlocks]++; - - glGenBuffers(1, &VboModels); - if (refCounterVbo.find(VboModels) == refCounterVbo.end()) - refCounterVbo[VboModels] = 0; - refCounterVbo[VboModels]++; - - glGenVertexArrays(1, &Vao); - if (refCounterVao.find(Vao) == refCounterVao.end()) - refCounterVao[Vao] = 0; - refCounterVao[Vao]++; - - glBindVertexArray(Vao); - { - //Cube vertices - glBindBuffer(GL_ARRAY_BUFFER, VboVertices); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(0); - - //Cube UVs - glBindBuffer(GL_ARRAY_BUFFER, VboUvs); - glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(2); - - //Blocks ids - glBindBuffer(GL_ARRAY_BUFFER, VboBlocks); - glVertexAttribPointer(7, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), nullptr); - glEnableVertexAttribArray(7); - glVertexAttribDivisor(7, 1); - glCheckError(); - - //Blocks models - size_t sizeOfMat4 = 4 * 4 * sizeof(GLfloat); - glBindBuffer(GL_ARRAY_BUFFER, VboModels); - glVertexAttribPointer(8 + 0, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, nullptr); - glVertexAttribPointer(8 + 1, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *) (1 * 4 * sizeof(GLfloat))); - glVertexAttribPointer(8 + 2, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *) (2 * 4 * sizeof(GLfloat))); - glVertexAttribPointer(8 + 3, 4, GL_FLOAT, GL_FALSE, sizeOfMat4, (void *) (3 * 4 * sizeof(GLfloat))); - glEnableVertexAttribArray(8 + 0); - glEnableVertexAttribArray(8 + 1); - glEnableVertexAttribArray(8 + 2); - glEnableVertexAttribArray(8 + 3); - glVertexAttribDivisor(8 + 0, 1); - glVertexAttribDivisor(8 + 1, 1); - glVertexAttribDivisor(8 + 2, 1); - glVertexAttribDivisor(8 + 3, 1); - - glBindBuffer(GL_ARRAY_BUFFER, 0); - } - glBindVertexArray(0); - UpdateState(); - glCheckError(); -} - -RenderSection::~RenderSection() { - refCounterVbo[VboBlocks]--; - refCounterVbo[VboModels]--; - refCounterVao[Vao]--; - if (refCounterVbo[VboBlocks] <= 0) - glDeleteBuffers(1, &VboBlocks); - if (refCounterVbo[VboModels] <= 0) - glDeleteBuffers(1, &VboBlocks); - if (refCounterVao[Vao] <= 0) - glDeleteVertexArrays(1, &Vao); -} - -void RenderSection::UpdateState() { - Section *section = &world->sections.find(sectionPosition)->second; - std::vector models; - std::vector blocks; - for (int y = 0; y < 16; y++) { - for (int z = 0; z < 16; z++) { - for (int x = 0; x < 16; x++) { - Block block = section->GetBlock(Vector(x, y, z)); - if (block.id == 0) - continue; - - unsigned char isVisible = 0; - if (x == 0 || x == 15 || y == 0 || y == 15 || z == 0 || z == 15) { - isVisible = 0; - } else { - isVisible |= (section->GetBlock(Vector(x + 1, y, z)).id != 0) << 0; - isVisible |= (section->GetBlock(Vector(x - 1, y, z)).id != 0) << 1; - isVisible |= (section->GetBlock(Vector(x, y + 1, z)).id != 0) << 2; - isVisible |= (section->GetBlock(Vector(x, y - 1, z)).id != 0) << 3; - isVisible |= (section->GetBlock(Vector(x, y, z + 1)).id != 0) << 4; - isVisible |= (section->GetBlock(Vector(x, y, z - 1)).id != 0) << 5; - } - if (isVisible == 0x3F) - continue; - - glm::vec2 data(block.id, block.state); - blocks.push_back(data); - glm::mat4 model; - model = glm::translate(model, glm::vec3(section->GetPosition().GetX() * 16, - section->GetPosition().GetY() * 16, - section->GetPosition().GetZ() * 16)); - model = glm::translate(model, glm::vec3(x, y, z)); - double size = 0.999; - model = glm::scale(model, glm::vec3(size, size, size)); - models.push_back(model); - } - } - } - glBindBuffer(GL_ARRAY_BUFFER, VboBlocks); - glBufferData(GL_ARRAY_BUFFER, blocks.size() * sizeof(glm::vec2), blocks.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, 0); - - numOfBlocks = blocks.size(); -} - -void RenderSection::Render(RenderState &state) { - state.SetActiveVao(Vao); - glDrawArraysInstanced(GL_TRIANGLES, 0, 36, numOfBlocks); - glCheckError(); -} - -Section *RenderSection::GetSection() { - return &world->sections.find(sectionPosition)->second; -} - -RenderSection::RenderSection(const RenderSection &other) { - this->world = other.world; - this->VboModels = other.VboModels; - this->VboBlocks = other.VboBlocks; - this->sectionPosition = other.sectionPosition; - this->Vao = other.Vao; - this->numOfBlocks = other.numOfBlocks; - - refCounterVbo[VboBlocks]++; - refCounterVbo[VboModels]++; - refCounterVao[Vao]++; -} -- cgit v1.2.3