MainMenu added

README.md

@@ -17,6 +17,7 @@ Fantasy Welt oder Realistisch?
 
 [Sprite sortierung nach Nähe zur Kamera](https://gamedev.stackexchange.com/questions/8151/how-do-i-sort-isometric-sprites-into-the-correct-order)
 
+[turn off EXIT on ESC Key, for later](https://github.com/raysan5/raylib/issues/520)
 ## TODO
 
 + LinkedList erweitern

Ui/button.c

@@ -6,7 +6,7 @@
 #include "raylib.h"
 #include "string.h"
 
-Button * ButtonInitButton(Texture2D textures[4], Vector2 *position, char *text, int textLEN, int id){
+Button * ButtonInitButton(Texture2D textures[4], Vector2 *position, char *text, int textLEN, int fontSize, int id){
     Button *button = malloc(sizeof(Button));
 
     button->textures[0] = textures[0];
@@ -21,6 +21,8 @@ Button * ButtonInitButton(Texture2D textures[4], Vector2 *position, char *text,
     button->state = BUTTON_STATE_DEFAULT;
     button->id = id;
 
+    button->fontSize = fontSize;
+
     return button;
 }
 
@@ -28,13 +30,17 @@ void ButtonExecuteButton(Button *button, Game *game){
     button->state = BUTTON_STATE_DEFAULT;
     switch(button->id){
         case BUTTON_ID_CONTINUE: // continue game
-            if(game->screen == SCREEN_PAUSE){
             game->screen = SCREEN_GAME;
-            }
             break;
         case BUTTON_ID_EXIT:
             // wahrscheinlich kein guter stil, es muss noch zeug freigegeben werden oder soos... keine Ahnung
-            exit(1);
+            game->screen = SCREEN_EXIT;
+            break;
+        case BUTTON_ID_START_GAME:
+            game->screen = SCREEN_GAME;
+            break;
+        default:
+            printf("\n\n\n\n\n\n Unsupported Button ID %d \n\n\n\n\n\n", button->id);
             break;
     }
 }
@@ -42,7 +48,7 @@ void ButtonExecuteButton(Button *button, Game *game){
 void ButtonDrawButton(Button * button){
     // erst Button Texture, dann Text zentriert drauf
     DrawTexture(button->textures[button->state], button->position.x, button->position.y, WHITE);
-    DrawText(button->text, button->centerPosition.x - MeasureText(button->text, BUTTON_FONT_SIZE)/2, button->centerPosition.y - BUTTON_FONT_SIZE/2, BUTTON_FONT_SIZE, BLACK);
+    DrawText(button->text, button->centerPosition.x - MeasureText(button->text, button->fontSize)/2, button->centerPosition.y - button->fontSize/2, button->fontSize, BLACK);
 }
 
 int ButtonUpdateButtonState(Button * button){

Ui/button.h

@@ -4,8 +4,6 @@
 #include "raylib.h"
 #include "../game.h"
 
-#define BUTTON_FONT_SIZE 36
-
 #define BUTTON_STATE_DEFAULT 0
 #define BUTTON_STATE_HOVERED 1
 #define BUTTON_STATE_PRESSED 2
@@ -13,18 +11,20 @@
 
 #define BUTTON_ID_CONTINUE 0
 #define BUTTON_ID_EXIT 1
+#define BUTTON_ID_START_GAME 2
 
 typedef struct Button{
     Texture2D textures[4]; // [0]: Normal [1]: Hovered [2]: Pressed [3]: Released
-    Vector2 position;
-    Vector2 centerPosition;
-    char text[20];
+    Vector2 position;   // Linke obere Ecke des Buttons
+    Vector2 centerPosition; // Die  Mitte des Buttons
+    char text[20];  // Text, den der Button zentriert anzeigt, aktuell max. 19 Zeichen
     int state; // 0: default 1: hovered 2: pressed 3: released
-    int id;
+    int id; // Durch die ID wird dem Button eine Funktion zugeordnet
+    int fontSize; // FontSize kann für jeden Button individuell festgelegt werden
 } Button;
 
 // Textures: [0]: Normal [1]: Hovered [2]: Pressed [3]: Released
-Button * ButtonInitButton(Texture2D textures[4], Vector2 *position, char *text, int textLEN, int id);
+Button * ButtonInitButton(Texture2D textures[4], Vector2 *position, char *text, int textLEN, int fontSize, int id);
 
 // executes the logic of one button of certain id - huge switch?
 void ButtonExecuteButton(Button *button, Game * game);

Ui/debug.c

@@ -7,20 +7,24 @@
 
 void DebugDraw(Game *game, UiContainer *uiContainer){
 
-    // Platz für bis zu 10 Strings der Länge 40
-    char strings[10][41];
-
-    int lineamount = 0;
+    char strings[10][41]; // Platz für bis zu 10 Strings der Länge 40
+    int lineamount = 0; // sollte aktuell gehalten werden, wie viele Lines sind aktuell im Strings Array
 
+    // Hier die Debug Information in den Strings Array einfügen
+    // im Endeffekt einfach im Array an der Stelle lineamount++ die Elemente einfügen
     sprintf(strings[lineamount++], "Screen: %d", game->screen);
     sprintf(strings[lineamount++], "MouseScreenX: %d", GetMouseX());
     sprintf(strings[lineamount++], "MouseScreenY: %d", GetMouseY());
     sprintf(strings[lineamount++], "MouseWorldX: %d", (int)game->inputHandler->cursorWorldPos.x);
     sprintf(strings[lineamount++], "MouseWorldY: %d", (int)game->inputHandler->cursorWorldPos.y);
+    sprintf(strings[lineamount++], "Selected Layer: %d", game->inputHandler->selectedLayer);
+    sprintf(strings[lineamount++], "DEPTH: %d", (int)(game->inputHandler->cursorWorldPos.x + game->inputHandler->cursorWorldPos.y + game->inputHandler->selectedLayer));
     
-    DrawRectangleLines(0, 0, 200, lineamount * DEBUG_FONT_SIZE + 5, (Color){0, 0, 0, 255});
-    DrawRectangle(0, 0, 200, lineamount * DEBUG_FONT_SIZE + 5, (Color){0, 0, 0, 150});
+    // Drawed eine Box für die Debug Info
+    DrawRectangleLines(0, 0, 250, lineamount * DEBUG_FONT_SIZE + 5, (Color){0, 0, 0, 255});
+    DrawRectangle(0, 0, 250, lineamount * DEBUG_FONT_SIZE + 5, (Color){0, 0, 0, 150});
 
+    // Drawed den Inhalt des "strings" Arrays
     int counter = 0;
     while(counter < lineamount){
         DrawText(strings[counter], 2, counter * DEBUG_FONT_SIZE + 2, DEBUG_FONT_SIZE, RED);

Ui/debug.h

@@ -4,8 +4,9 @@
 #include "../game.h"
 #include "uiContainer.h"
 
-#define DEBUG_FONT_SIZE 18
+#define DEBUG_FONT_SIZE 20
 
+// Drawed das Debug Fenster in die obere Linke Ecke
 void DebugDraw(Game *game, UiContainer *uiContainer);
 
 #endif

Ui/uiContainer.c

@@ -12,19 +12,40 @@ UiContainer * UiContainerInitPauseUiContainer(){
                                                         LoadTexture("assets/button_hovered.png"),    //HOVERED 
                                                         LoadTexture("assets/button_pressed.png"),   //PRESSED
                                                         LoadTexture("assets/button_pressed.png")}; //RELEASED
-    Vector2 position = (Vector2){GetScreenWidth()/2 - textures[0].width/2, GetScreenHeight()/2 - 300};
+    Vector2 position = (Vector2){GetScreenWidth()/2 - textures[0].width/2, GetScreenHeight()/2 - 50};
+    int buttonFontSize = 36;
 
-    Button *continuebutton = ButtonInitButton(textures, &position, "Continue", 9, BUTTON_ID_CONTINUE);
+    Button *continuebutton = ButtonInitButton(textures, &position, "Continue", 9, buttonFontSize, BUTTON_ID_CONTINUE);
     uiContainer->buttons[0] = continuebutton;
     uiContainer->buttonCounter = 1;
 
-    Texture2D textures2[4] = {   LoadTexture("assets/button.png"),                     //DEFAULT
+    position.y += 250;
+
+    Button *exitButton = ButtonInitButton(textures, &position, "EXIT", 5, buttonFontSize, BUTTON_ID_EXIT);
+    uiContainer->buttons[1] = exitButton;
+    uiContainer->buttonCounter = 2;
+
+    // Methode funktioniert wieso auch immer auch ohne dieses return. C returned Implizit odder was O_o
+    return uiContainer;
+}
+
+UiContainer * UiContainerInitMainMenuUiContainer(){
+    UiContainer *uiContainer = malloc(sizeof(UiContainer));
+
+    Texture2D textures[4] = {   LoadTexture("assets/button.png"),                     //DEFAULT
                                                         LoadTexture("assets/button_hovered.png"),    //HOVERED 
                                                         LoadTexture("assets/button_pressed.png"),   //PRESSED
                                                         LoadTexture("assets/button_pressed.png")}; //RELEASED
+    Vector2 position = (Vector2){GetScreenWidth()/2 - textures[0].width/2, GetScreenHeight()/2 - 50};
+    int buttonFontSize = 36;
+
+    Button *continuebutton = ButtonInitButton(textures, &position, "Start Game", 11, buttonFontSize, BUTTON_ID_START_GAME);
+    uiContainer->buttons[0] = continuebutton;
+    uiContainer->buttonCounter = 1;
+
+    position.y += 250;
 
-    Vector2 position2 = (Vector2){GetScreenWidth()/2 - textures[0].width/2, GetScreenHeight()/2 - 50};
-    Button *exitButton = ButtonInitButton(textures2, &position2, "EXIT", 5, BUTTON_ID_EXIT);
+    Button *exitButton = ButtonInitButton(textures, &position, "EXIT", 5, buttonFontSize, BUTTON_ID_EXIT);
     uiContainer->buttons[1] = exitButton;
     uiContainer->buttonCounter = 2;
 

Ui/uiContainer.h

@@ -6,16 +6,15 @@
 #include "../game.h"
 
 typedef struct UiContainer{
-    Button *buttons[15];
-    int buttonCounter;
+    Button *buttons[15]; // Platz für max. 15 Buttons
+    int buttonCounter; // Zeigt wie viele Buttons der UiContainer aktuell schon speichert
 } UiContainer;
 
-// executes the logic of one button of certain id - huge switch?
 void UiContainerUpdateUiContainer(UiContainer *uiContainer, Game *game);
 void UiContainerDrawUiContainer(UiContainer *uiContainer);
 
 UiContainer * UiContainerInitPauseUiContainer();
 UiContainer * UiContainerInitGameUiContainer();
-
+UiContainer * UiContainerInitMainMenuUiContainer();
 
 #endif

game.c

@@ -31,7 +31,7 @@ Game *GameInit()
     game->inputHandler->cursorTextures = game->textures->cursorTextures;
     game->inputHandler->cursorSprite = game->cursorSprite;
 
-    game->screen = SCREEN_GAME;
+    game->screen = SCREEN_MAINMENU;
 
     game->camera = malloc(sizeof(Camera2D));
     game->camera->target.x = 0;

main.c

@@ -24,6 +24,8 @@ int main(){
     // TODO: Screen structs, die zum Beispiel die UiContainer enthalten?
     UiContainer *pauseScreenUiContainer = UiContainerInitPauseUiContainer();
 
+    UiContainer *mainMenuScreenUiContainer = UiContainerInitMainMenuUiContainer();
+
     // Hides the operating systems own cursor
     HideCursor();
 
@@ -37,29 +39,28 @@ int main(){
         game->cursorSprite->y = GetMousePosition().y;
 
         BeginDrawing();
+        ClearBackground(RAYWHITE);
         switch(game->screen){
             case SCREEN_EXIT:
+                printf("EXIT \n");
                 return 0;
             case SCREEN_MAINMENU:
-                printf("MAINMENU \n");
-                return 0;
+                // MainMenu hat aktuell nur paar Buttons
+                UiContainerUpdateUiContainer(mainMenuScreenUiContainer, game);
+                UiContainerDrawUiContainer(mainMenuScreenUiContainer);
+                break;
             case SCREEN_OPTIONS:
                 printf("OPTIONS \n");
                 return 0;
             case SCREEN_GAME:
 
+                // Updating Sprites
                 ListActAllSprites(game);
 
-                ClearBackground(RAYWHITE);
-
-                BeginMode2D(*(game->camera));
-                
-                //IsometricRendererRenderIsometricMap(game);
-                //ListDrawAllSprites(game->sprites, game->layers, game->camera);
+                // Drawing IsometricMap
+                BeginMode2D(*(game->camera)); // Sorgt dafür, dass die Kameraposition beachtet wird
                 IsometricMapDraw(game);
-
                 EndMode2D();
-                DrawSpriteToScreen(game->cursorSprite);
 
                 // User Input Handling
                 mouseInput(game);
@@ -71,24 +72,24 @@ int main(){
 
                 break;
             case SCREEN_PAUSE:
-                ClearBackground(RAYWHITE);
 
-                BeginMode2D(*(game->camera));
+                // Still drawing isometric map, which is not updated atm
+                BeginMode2D(*(game->camera)); // Sorgt dafür, dass die Kameraposition beachtet wird
                 IsometricMapDraw(game);
                 EndMode2D();
 
+                // darkened background + "Paused" Text
                 DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), (Color){0, 0, 0, 150});
                 int textWidthHalf = MeasureText("Paused", 28) / 2;
                 DrawText("Paused", GetScreenWidth()/2 - textWidthHalf, GetScreenHeight()/2 - 14, 28, WHITE);
 
+                // Button / UI stuff
                 UiContainerUpdateUiContainer(pauseScreenUiContainer, game);
                 UiContainerDrawUiContainer(pauseScreenUiContainer);
 
+                // Debug Menu
                 DebugDraw(game, pauseScreenUiContainer);
 
-                DrawSpriteToScreen(game->cursorSprite);
-
-
                 if(IsKeyPressed(KEY_P)){
                     game->screen = SCREEN_GAME;
                 }
@@ -98,9 +99,11 @@ int main(){
                 return 1;
                 break;
         }
-        BeginDrawing();
+        // Dinge die grundsätzlich immer gedrawed werden sollen
+        // Debug Menu, FPS anzeige, Cursor
         DebugDraw(game, pauseScreenUiContainer);
         DrawFPS(GetScreenWidth() - 95, 10);
+        DrawSpriteToScreen(game->cursorSprite);
         EndDrawing();