Initial commit

palette/Makefile

@@ -0,0 +1,22 @@
+CC = g++
+FILES = main.cpp
+OBJS = $(FILES:.cpp=.o)
+OBJS += engine.o
+CFLAGS = -Wall -Wextra -std=c++17 -O3
+LFLAGS =
+
+EXE = run
+
+CFLAGS += $(shell pkg-config --cflags sdl2)
+CFLAGS += $(pkg-config --cflags SDL2_image)
+
+LFLAGS += $(shell pkg-config --libs sdl2)
+LFLAGS += $(shell pkg-config --libs SDL2_image)
+
+all: $(EXE)
+
+$(EXE): $(OBJS)
+	$(CC) $(OBJS) $(LFLAGS) -o $(EXE)
+
+$(OBJS): $(FILES)
+	$(CC) -c $(FILES) $(CFLAGS)

palette/engine.hpp

@@ -0,0 +1,42 @@
+#ifndef _ENGINE_H
+#define _ENGINE_H
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+#include <iostream>
+#include <string>
+#include <unistd.h>
+#include <limits.h>
+
+class engine {
+    public:
+        SDL_Window *window;
+        SDL_Renderer *renderer;
+        SDL_Texture *font;
+        SDL_Event event;
+
+        int SCREEN_WIDTH;
+        int SCREEN_HEIGHT;
+        int FONT_WIDTH;
+        int FONT_HEIGHT;
+
+    public:
+        engine();
+        ~engine();
+        bool Init(std::string name, int width, int height);
+        void Run();
+        void Write(std::string text, int x, int y, SDL_Color color = SDL_Color{0xff, 0xff, 0xff, 0xff}, int scale = 1);
+        void WriteCentered(std::string text, int x, int y, SDL_Color color = SDL_Color{0xff, 0xff, 0xff, 0xff}, int scale = 1);
+        void WriteAlignRight(std::string text, int x, int y, SDL_Color color = SDL_Color{0xff, 0xff, 0xff, 0xff}, int scale = 1);
+
+    protected:
+        virtual bool OnUserCreate() = 0;
+        virtual bool OnUserUpdate(Uint32 elapsedTime) = 0;
+
+    private:
+        std::string getExecutablePath();
+        std::string getPath(std::string path);
+        bool LoadFontTexture();
+};
+
+#endif

palette/main.cpp

@@ -0,0 +1,136 @@
+#include <SDL2/SDL.h>
+#include <sstream>
+
+#include "engine.hpp"
+
+class Palette : public engine {
+    private:
+        int TILE_SIZE = 32;
+        int MARGIN_TOP = 32;
+        SDL_Color clicked = {0,0,0, 0};
+        SDL_Color colors[64] = {
+            {124,124,124, 0},
+            {0,0,252, 0},
+            {0,0,188, 0},
+            {68,40,188, 0},
+            {148,0,132, 0},
+            {168,0,32, 0},
+            {168,16,0, 0},
+            {136,20,0, 0},
+            {80,48,0, 0},
+            {0,120,0, 0},
+            {0,104,0, 0},
+            {0,88,0, 0},
+            {0,64,88, 0},
+            {0,0,0, 0},
+            {0,0,0, 0},
+            {0,0,0, 0},
+            {188,188,188, 0},
+            {0,120,248, 0},
+            {0,88,248, 0},
+            {104,68,252, 0},
+            {216,0,204, 0},
+            {228,0,88, 0},
+            {248,56,0, 0},
+            {228,92,16, 0},
+            {172,124,0, 0},
+            {0,184,0, 0},
+            {0,168,0, 0},
+            {0,168,68, 0},
+            {0,136,136, 0},
+            {0,0,0, 0},
+            {0,0,0, 0},
+            {0,0,0, 0},
+            {248,248,248, 0},
+            {60,188,252, 0},
+            {104,136,252, 0},
+            {152,120,248, 0},
+            {248,120,248, 0},
+            {248,88,152, 0},
+            {248,120,88, 0},
+            {252,160,68, 0},
+            {248,184,0, 0},
+            {184,248,24, 0},
+            {88,216,84, 0},
+            {88,248,152, 0},
+            {0,232,216, 0},
+            {120,120,120, 0},
+            {0,0,0, 0},
+            {0,0,0, 0},
+            {252,252,252, 0},
+            {164,228,252, 0},
+            {184,184,248, 0},
+            {216,184,248, 0},
+            {248,184,248, 0},
+            {248,164,192, 0},
+            {240,208,176, 0},
+            {252,224,168, 0},
+            {248,216,120, 0},
+            {216,248,120, 0},
+            {184,248,184, 0},
+            {184,248,216, 0},
+            {0,252,252, 0},
+            {248,216,248, 0},
+            {0,0,0, 0},
+            {0,0,0, 0}
+        };
+    protected:
+        virtual bool OnUserCreate() {
+            return true;
+        }
+
+        virtual bool OnUserUpdate(Uint32 elapsedTime) {
+            while (SDL_PollEvent(&event)) {
+                if (event.type == SDL_QUIT) {
+                    return false;
+                } 
+                if (event.type == SDL_MOUSEBUTTONDOWN) {
+                    if(event.button.button == SDL_BUTTON_LEFT){
+                        int pos_x = event.button.x / TILE_SIZE;
+                        int pos_y = (event.button.y - MARGIN_TOP) / TILE_SIZE;
+                        int index = pos_x + (pos_y * 16);
+                        std::cout << pos_x << ", " << pos_y << ": " << index << std::endl;
+                        clicked = colors[index];
+                    }
+                }
+            }
+
+            SDL_RenderClear(renderer);
+
+            SDL_Rect top = {0, 0, SCREEN_WIDTH, MARGIN_TOP};
+            SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE);
+            SDL_RenderFillRect(renderer, &top);
+            std::ostringstream clicked_color;
+            clicked_color << (int) clicked.r << " " << (int) clicked.g << " " << (int) clicked.b;
+            WriteCentered(clicked_color.str(), SCREEN_WIDTH/2, (MARGIN_TOP/2) - (FONT_HEIGHT), {0, 0, 0}, 2);
+
+            int x = 0;
+            for(int i = MARGIN_TOP; i < (TILE_SIZE * 4) + MARGIN_TOP; i += TILE_SIZE){
+                for(int j = 0; j < TILE_SIZE * 16; j += TILE_SIZE){
+                    SDL_Rect rect = {j, i, TILE_SIZE, TILE_SIZE};
+                    SDL_SetRenderDrawColor(renderer, colors[x].r, colors[x].g, colors[x].b, SDL_ALPHA_OPAQUE);
+                    SDL_RenderFillRect(renderer, &rect);
+
+                    SDL_Color color;
+                    if((0.2126*colors[x].r + 0.7152*colors[x].g + 0.0722*colors[x].b) > 127){
+                        color = {0, 0, 0};
+                    }else {
+                        color = {255, 255, 255};
+                    }
+                    
+                    Write(std::to_string(x), j, i, color, 2);
+                    x++;
+                }
+            }
+
+            SDL_RenderPresent(renderer);
+            return true;
+        }
+};
+
+int main(int argc, char* args[]){
+    Palette palette;
+    palette.Init("Palette", 32*16, 32*5);
+    palette.Run();
+    return 0;
+}