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-rw-r--r--src/view/MapView.hpp132
-rw-r--r--src/view/Window.hpp66
2 files changed, 198 insertions, 0 deletions
diff --git a/src/view/MapView.hpp b/src/view/MapView.hpp
new file mode 100644
index 0000000..9150753
--- /dev/null
+++ b/src/view/MapView.hpp
@@ -0,0 +1,132 @@
+/*
+ Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
+ 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.
+*/
+
+
+#pragma once
+
+#include "Window.hpp"
+#include "../model/Map.hpp"
+
+#include <cmath>
+
+
+namespace RPGEdit {
+
+namespace View {
+
+class MapView {
+private:
+ std::shared_ptr<Window> window;
+ std::shared_ptr<const Model::Map> map;
+ SDL_Texture *tileTexture;
+
+public:
+ MapView(const std::shared_ptr<Window> &window0,
+ const std::shared_ptr<const Model::Map> &map0,
+ const std::vector<SDL_Surface *> tiles)
+ : 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);
+ }
+
+ ~MapView() {
+ SDL_DestroyTexture(tileTexture);
+ }
+
+ void render(float centerX, float centerY) {
+ SDL_RenderClear(window->getRenderer());
+
+ std::pair<int, int> 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);
+ }
+ }
+
+ SDL_RenderPresent(window->getRenderer());
+ }
+};
+
+}
+
+}
diff --git a/src/view/Window.hpp b/src/view/Window.hpp
new file mode 100644
index 0000000..c586b57
--- /dev/null
+++ b/src/view/Window.hpp
@@ -0,0 +1,66 @@
+/*
+ Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
+ 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.
+*/
+
+
+#pragma once
+
+#include <SDL.h>
+
+
+namespace RPGEdit {
+
+namespace View {
+
+class Window {
+private:
+ SDL_Window *window;
+ SDL_Renderer *renderer;
+
+public:
+ Window() {
+ window = SDL_CreateWindow("RPGedit", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE);
+ renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED|SDL_RENDERER_PRESENTVSYNC);
+ }
+
+ ~Window() {
+ SDL_DestroyRenderer(renderer);
+ SDL_DestroyWindow(window);
+ }
+
+ SDL_Renderer * getRenderer() {
+ return renderer;
+ }
+
+ std::pair<int, int> getViewport() {
+ int w, h;
+ SDL_GetWindowSize(window, &w, &h);
+
+ return std::make_pair<>(w, h);
+ }
+};
+
+}
+
+}