158 lines
3.3 KiB
C
158 lines
3.3 KiB
C
/*
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* BreakHack - A dungeone crawler RPG
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* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <SDL2/SDL_image.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "texture.h"
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#include "util.h"
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Texture*
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texture_create(void)
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{
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Texture *t = ec_malloc(sizeof(Texture));
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t->dim.height = 0;
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t->dim.width = 0;
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t->texture = NULL;
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t->font = NULL;
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return t;
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}
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void
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texture_load_from_file(Texture *texture,
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const char *path,
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SDL_Renderer *renderer)
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{
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SDL_Surface *surface = IMG_Load(path);
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if (surface == NULL)
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{
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error("Failed to load texture (%s): %s",
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path, IMG_GetError());
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return;
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}
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if (texture->texture) {
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SDL_DestroyTexture(texture->texture);
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texture->texture = NULL;
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}
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texture->dim.height = surface->h;
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texture->dim.width = surface->w;
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texture->texture = SDL_CreateTextureFromSurface(renderer,
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surface);
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if (texture->texture == NULL)
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{
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error("Failed to create texture (%s): %s",
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path,
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SDL_GetError());
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}
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SDL_FreeSurface(surface);
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}
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void
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texture_load_font(Texture *t, const char *path, unsigned int size)
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{
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if (t->font)
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TTF_CloseFont(t->font);
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t->font = TTF_OpenFont(path, size);
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if (t->font == NULL) {
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error("Failed to load font %s: %s",
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path,
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TTF_GetError());
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return;
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}
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}
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void
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texture_load_from_text(Texture *t,
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const char *text,
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SDL_Color c,
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SDL_Renderer *renderer)
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{
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SDL_Surface *surface = TTF_RenderText_Solid( t->font, text, c );
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if (surface == NULL)
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{
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error("Unable to create texture from rendered text: %s",
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IMG_GetError());
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return;
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}
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if (t->texture) {
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SDL_DestroyTexture(t->texture);
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t->texture = NULL;
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}
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t->texture = SDL_CreateTextureFromSurface( renderer, surface );
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if (t->texture == NULL) {
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error("Failed to create texture from text: %s",
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SDL_GetError());
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return;
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}
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t->dim.width = surface->w;
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t->dim.height = surface->h;
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SDL_FreeSurface(surface);
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}
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void
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texture_render(Texture *texture, Position *p, Camera *cam)
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{
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if (!texture->texture)
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return;
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SDL_Rect draw_box = (SDL_Rect) {
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p->x,
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p->y,
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texture->dim.width,
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texture->dim.height
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};
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SDL_RenderCopy(cam->renderer,
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texture->texture,
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NULL,
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&draw_box);
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}
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void
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texture_render_clip(Texture *texture, Position *p, SDL_Rect *clip, Camera *cam)
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{
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SDL_Rect draw_box = (SDL_Rect) {
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p->x,
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p->y,
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texture->dim.width,
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texture->dim.height
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};
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SDL_RenderCopy(cam->renderer,
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texture->texture,
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clip,
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&draw_box);
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}
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void texture_destroy(Texture *texture)
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{
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if (texture->texture)
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SDL_DestroyTexture(texture->texture);
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if (texture->font)
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TTF_CloseFont(texture->font);
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free(texture);
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}
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