123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
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//
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// GLFlatMapRenderer.cpp
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// OpenSpades
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//
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// Created by yvt on 7/20/13.
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// Copyright (c) 2013 yvt.jp. All rights reserved.
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//
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#include "GLFlatMapRenderer.h"
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#include "GLRenderer.h"
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#include "../Client/GameMap.h"
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#include "../Core/Debug.h"
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#include "../Core/Bitmap.h"
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#include "GLImage.h"
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namespace spades {
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namespace draw {
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GLFlatMapRenderer::GLFlatMapRenderer(GLRenderer *r,
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client::GameMap *m):
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renderer(r), map(m){
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SPADES_MARK_FUNCTION();
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chunkRows = m->Height() >> ChunkBits;
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chunkCols = m->Width() >> ChunkBits;
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for(int i = 0; i < chunkRows * chunkCols; i++)
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chunkInvalid.push_back(false);
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Bitmap *bmp = GenerateBitmap(0, 0, m->Width(), m->Height());
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try{
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image = static_cast<GLImage *>(renderer->CreateImage(bmp));
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delete bmp;
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}catch(...){
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delete bmp;
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throw;
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}
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image->Bind(IGLDevice::Texture2D);
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IGLDevice *dev = renderer->GetGLDevice();
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dev->TexParamater(IGLDevice::Texture2D,
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IGLDevice::TextureMagFilter,
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IGLDevice::Nearest);
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dev->TexParamater(IGLDevice::Texture2D,
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IGLDevice::TextureMinFilter,
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IGLDevice::Nearest);
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}
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GLFlatMapRenderer::~GLFlatMapRenderer() {
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delete image;
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}
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Bitmap *GLFlatMapRenderer::GenerateBitmap(int mx, int my, int w, int h){
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SPADES_MARK_FUNCTION();
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Bitmap *bmp = new Bitmap(w, h);
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try{
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uint32_t *pixels = bmp->GetPixels();
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for(int y = 0; y < h; y++){
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for(int x = 0; x < w; x++){
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int px = mx + x, py = my + y;
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for(int z = 0 ; z < 64; z++){
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if(map->IsSolid(px, py, z)){
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uint32_t col = map->GetColor(px, py, z);
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col |= 0xff000000UL;
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*pixels = col;
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break;
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}
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}
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pixels++;
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}
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}
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}catch(...){
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delete bmp;
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throw;
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}
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return bmp;
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}
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void GLFlatMapRenderer::GameMapChanged(int x, int y, int z,
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client::GameMap *map){
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if(map != this->map)
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return;
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SPAssert(x >= 0); SPAssert(x < map->Width());
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SPAssert(y >= 0); SPAssert(y < map->Height());
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SPAssert(z >= 0); SPAssert(z < map->Depth());
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int chunkX = x >> ChunkBits;
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int chunkY = y >> ChunkBits;
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int chunkId = chunkX + chunkY * chunkCols;
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SPAssert(chunkId >= 0);
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SPAssert(chunkId < chunkCols * chunkRows);
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chunkInvalid[chunkId] = true;
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}
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void GLFlatMapRenderer::Draw(const AABB2& dest,
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const AABB2& src) {
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SPADES_MARK_FUNCTION();
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// update chunks
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for(size_t i = 0; i < chunkInvalid.size(); i++){
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if(!chunkInvalid[i]) continue;
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int chunkX = ((int)i) % chunkCols;
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int chunkY = ((int)i) / chunkCols;
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Bitmap *bmp = GenerateBitmap(chunkX * ChunkSize,
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chunkY * ChunkSize,
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ChunkSize, ChunkSize);
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try{
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image->SubImage(bmp, chunkX * ChunkSize, chunkY * ChunkSize);
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delete bmp;
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}catch(...){
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delete bmp;
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throw;
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}
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chunkInvalid[i] = false;
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}
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renderer->DrawImage(image, dest, src);
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}
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}
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}
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