From c9b41bc1022c75ac6da84f4fa503dd8231a96cf2 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Mon, 22 Sep 2014 21:59:13 +0200 Subject: Move render function to new source file --- src/CMakeLists.txt | 1 + src/view/MapView.cpp | 148 +++++++++++++++++++++++++++++++++++++++++++++++++++ src/view/MapView.hpp | 114 ++------------------------------------- src/view/Window.hpp | 4 +- 4 files changed, 157 insertions(+), 110 deletions(-) create mode 100644 src/view/MapView.cpp (limited to 'src') diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index f8a2b8a..91e5b5f 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -6,6 +6,7 @@ add_executable(rpgedit control/ImageLoader.cpp control/MapContext.cpp model/Map.cpp + view/MapView.cpp ) set_target_properties(rpgedit PROPERTIES COMPILE_FLAGS "-std=c++11 -Wall ${SDL2_CFLAGS_OTHER}") set_target_properties(rpgedit PROPERTIES LINK_FLAGS "${SDL2_LDFLAGS_OTHER}") diff --git a/src/view/MapView.cpp b/src/view/MapView.cpp new file mode 100644 index 0000000..788cee9 --- /dev/null +++ b/src/view/MapView.cpp @@ -0,0 +1,148 @@ +/* + Copyright (c) 2014, Matthias Schiffer + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "MapView.hpp" + + +namespace RPGEdit { + +namespace View { + +MapView::MapView(const std::shared_ptr &window0, + const std::shared_ptr &map0, + const std::vector &tiles, + const std::map &entities) + : window(window0), map(map0) { + uint32_t rmask, gmask, bmask, amask; + +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + rmask = 0xff000000; + gmask = 0x00ff0000; + bmask = 0x0000ff00; + amask = 0x000000ff; +#else + rmask = 0x000000ff; + gmask = 0x0000ff00; + bmask = 0x00ff0000; + amask = 0xff000000; +#endif + + SDL_Surface *surface = SDL_CreateRGBSurface(0, 16*tiles.size(), 16, 32, rmask, gmask, bmask, amask); + SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_NONE); + + for (size_t i = 0; i < tiles.size(); i++) { + SDL_Rect rect = { + .x = int(16*i), + .y = 0, + .w = 0, + .h = 0, + }; + + SDL_BlitSurface(tiles[i], nullptr, surface, &rect); + } + + tileTexture = SDL_CreateTextureFromSurface(window->getRenderer(), surface); + SDL_FreeSurface(surface); + + for (const std::pair &entity : entities) { + entityTextures[entity.first] = SDL_CreateTextureFromSurface(window->getRenderer(), entity.second); + } +} + +MapView::~MapView() { + SDL_DestroyTexture(tileTexture); + + for (const std::pair &entity : entityTextures) + SDL_DestroyTexture(entity.second); +} + +void MapView::render(float centerX, float centerY) { + SDL_RenderClear(window->getRenderer()); + + std::pair viewport = window->getViewport(); + + float pixels = std::max(viewport.first/16.0f, viewport.second/12.0f); + int tilePixels = 16 * std::ceil(pixels / 16); + + float tilesW = viewport.first / tilePixels; + float tilesH = viewport.second / tilePixels; + + int minX = std::floor(centerX - tilesW/2 - 0.5f), maxX = std::ceil(centerX + tilesW/2 + 0.5f); + int minY = std::floor(centerY - tilesH/2 - 0.5f), maxY = std::ceil(centerY + tilesH/2 + 0.5f); + + int baseX = viewport.first/2 - (centerX + 0.5f)*tilePixels, baseY = viewport.second/2 - (centerY + 0.5f)*tilePixels; + + for (int x = minX; x <= maxX; x++) { + for (int y = minY; y <= maxY; y++) { + uint32_t tile = map->getTileAt(x, y); + if (!tile) + continue; + + SDL_Rect src = { + .x = int(16*(tile-1)), + .y = 0, + .w = 16, + .h = 16, + }; + + SDL_Rect dst = { + .x = baseX + x*tilePixels, + .y = baseY + y*tilePixels, + .w = tilePixels, + .h = tilePixels, + }; + + SDL_RenderCopy(window->getRenderer(), tileTexture, &src, &dst); + } + } + + for (const std::shared_ptr &entity : map->getEntities()) { + std::pair pos = entity->getPosition(); + Direction dir = entity->getDirection(); + + SDL_Rect src = { + .x = 16*dir, + .y = 0, + .w = 16, + .h = 16, + }; + + SDL_Rect dst = { + .x = baseX + int(pos.first*tilePixels), + .y = baseY + int(pos.second*tilePixels), + .w = tilePixels, + .h = tilePixels, + }; + + SDL_RenderCopy(window->getRenderer(), entityTextures[entity->getName()], &src, &dst); + } + + SDL_RenderPresent(window->getRenderer()); +} + +} + +} diff --git a/src/view/MapView.hpp b/src/view/MapView.hpp index e3fccc6..e5f0e50 100644 --- a/src/view/MapView.hpp +++ b/src/view/MapView.hpp @@ -46,116 +46,12 @@ private: public: MapView(const std::shared_ptr &window0, - const std::shared_ptr &map0, - const std::vector &tiles, - const std::map &entities) - : window(window0), map(map0) { - uint32_t rmask, gmask, bmask, amask; + const std::shared_ptr &map0, + const std::vector &tiles, + const std::map &entities); + ~MapView(); -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - rmask = 0xff000000; - gmask = 0x00ff0000; - bmask = 0x0000ff00; - amask = 0x000000ff; -#else - rmask = 0x000000ff; - gmask = 0x0000ff00; - bmask = 0x00ff0000; - amask = 0xff000000; -#endif - - SDL_Surface *surface = SDL_CreateRGBSurface(0, 16*tiles.size(), 16, 32, rmask, gmask, bmask, amask); - SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_NONE); - - for (size_t i = 0; i < tiles.size(); i++) { - SDL_Rect rect = { - .x = int(16*i), - .y = 0, - .w = 0, - .h = 0, - }; - - SDL_BlitSurface(tiles[i], nullptr, surface, &rect); - } - - tileTexture = SDL_CreateTextureFromSurface(window->getRenderer(), surface); - SDL_FreeSurface(surface); - - for (const std::pair &entity : entities) { - entityTextures[entity.first] = SDL_CreateTextureFromSurface(window->getRenderer(), entity.second); - } - } - - ~MapView() { - SDL_DestroyTexture(tileTexture); - - for (const std::pair &entity : entityTextures) - SDL_DestroyTexture(entity.second); - } - - void render(float centerX, float centerY) { - SDL_RenderClear(window->getRenderer()); - - std::pair viewport = window->getViewport(); - - float pixels = std::max(viewport.first/16.0f, viewport.second/12.0f); - int tilePixels = 16 * std::ceil(pixels / 16); - - float tilesW = viewport.first / tilePixels; - float tilesH = viewport.second / tilePixels; - - int minX = std::floor(centerX - tilesW/2 - 0.5f), maxX = std::ceil(centerX + tilesW/2 + 0.5f); - int minY = std::floor(centerY - tilesH/2 - 0.5f), maxY = std::ceil(centerY + tilesH/2 + 0.5f); - - int baseX = viewport.first/2 - (centerX + 0.5f)*tilePixels, baseY = viewport.second/2 - (centerY + 0.5f)*tilePixels; - - for (int x = minX; x <= maxX; x++) { - for (int y = minY; y <= maxY; y++) { - uint32_t tile = map->getTileAt(x, y); - if (!tile) - continue; - - SDL_Rect src = { - .x = int(16*(tile-1)), - .y = 0, - .w = 16, - .h = 16, - }; - - SDL_Rect dst = { - .x = baseX + x*tilePixels, - .y = baseY + y*tilePixels, - .w = tilePixels, - .h = tilePixels, - }; - - SDL_RenderCopy(window->getRenderer(), tileTexture, &src, &dst); - } - } - - for (const std::shared_ptr &entity : map->getEntities()) { - std::pair pos = entity->getPosition(); - Direction dir = entity->getDirection(); - - SDL_Rect src = { - .x = 16*dir, - .y = 0, - .w = 16, - .h = 16, - }; - - SDL_Rect dst = { - .x = baseX + int(pos.first*tilePixels), - .y = baseY + int(pos.second*tilePixels), - .w = tilePixels, - .h = tilePixels, - }; - - SDL_RenderCopy(window->getRenderer(), entityTextures[entity->getName()], &src, &dst); - } - - SDL_RenderPresent(window->getRenderer()); - } + void render(float centerX, float centerY); }; } diff --git a/src/view/Window.hpp b/src/view/Window.hpp index c586b57..f53a9a0 100644 --- a/src/view/Window.hpp +++ b/src/view/Window.hpp @@ -26,6 +26,8 @@ #pragma once +#include + #include @@ -57,7 +59,7 @@ public: int w, h; SDL_GetWindowSize(window, &w, &h); - return std::make_pair<>(w, h); + return std::pair(w, h); } }; -- cgit v1.2.3