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Added prepareTitleScreen()

This commit is contained in:
Barra Ó Catháin 2023-03-24 23:31:06 +00:00
parent b4dc7cd326
commit 8971d37dac
2 changed files with 44 additions and 0 deletions
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40
spacewarGraphics.c
View File

@ -3,8 +3,46 @@
#include <SDL2/SDL_timer.h>
#include <SDL2/SDL_ttf.h>
#include <stdint.h>
#include <stdlib.h>
#include "spacewarGraphics.h"
SpacewarTitlescreen prepareTitleScreen(SDL_Window * window, SDL_Renderer * renderer,
char * starfieldTexturePath, char * logoTexturePath,
TTF_Font * font, char * text)
{
SpacewarTitlescreen newTitleScreen;
// Basic state:
newTitleScreen.xScroll = 0;
newTitleScreen.textAlpha = 0;
newTitleScreen.titleAlpha = 0;
// Requirements for drawing:
newTitleScreen.window = window;
newTitleScreen.renderer = renderer;
// Textures:
newTitleScreen.titleTexture = IMG_LoadTexture(renderer, logoTexturePath);
newTitleScreen.starfieldTexture = IMG_LoadTexture(renderer, starfieldTexturePath);
// Text message:
SDL_Color white = {255, 255, 255};
SDL_Surface * fontSurface = TTF_RenderText_Blended(font, text, white);
newTitleScreen.textTexture = SDL_CreateTextureFromSurface(renderer, fontSurface);
SDL_FreeSurface(fontSurface);
// Rects:
newTitleScreen.titleRectangle = calloc(1, sizeof(SDL_Rect));
newTitleScreen.textRectangle = calloc(1, sizeof(SDL_Rect));
newTitleScreen.starfieldRectangle = calloc(1, sizeof(SDL_Rect));
SDL_QueryTexture(newTitleScreen.textTexture, NULL, NULL, NULL, &newTitleScreen.textRectangle->h);
SDL_QueryTexture(newTitleScreen.textTexture, NULL, NULL, &newTitleScreen.textRectangle->w, NULL);
SDL_QueryTexture(newTitleScreen.titleTexture, NULL, NULL, NULL, &newTitleScreen.titleRectangle->h);
SDL_QueryTexture(newTitleScreen.titleTexture, NULL, NULL, &newTitleScreen.titleRectangle->w, NULL);
SDL_QueryTexture(newTitleScreen.starfieldTexture, NULL, NULL, NULL, &newTitleScreen.starfieldRectangle->h);
SDL_QueryTexture(newTitleScreen.starfieldTexture, NULL, NULL, &newTitleScreen.starfieldRectangle->w, NULL);
}
void drawTitleScreen(SpacewarTitlescreen * titlescreen)
{
// Get the current size of the window:
@ -77,3 +115,5 @@ void drawTitleScreen(SpacewarTitlescreen * titlescreen)
// Display to the renderer:
SDL_RenderPresent(titlescreen->renderer);
}

4
spacewarGraphics.h
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@ -11,6 +11,10 @@ typedef struct SpacewarTitlescreen
SDL_Rect * titleRectangle, * textRectangle, * starfieldRectangle;
} SpacewarTitlescreen;
SpacewarTitlescreen prepareTitleScreen(SDL_Window * window, SDL_Renderer * renderer,
char * starfieldTexturePath, char * logoTexturePath,
TTF_Font * font, char * text);
void drawTitleScreen(SpacewarTitlescreen * titlescreen);
static inline void DrawCircle(SDL_Renderer * renderer, int32_t centreX, int32_t centreY, int32_t radius)