mirror of https://github.com/bgiraudr/Adoranda.git
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
#include <gint/display.h>
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#include <gint/keyboard.h>
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#include "engine.h"
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#include "game.h"
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#include "map.h"
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#include "player.h"
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#define TILESET_WIDTH 29
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#define HEIGHT_VISIBLE 14
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#define WIDTH_VISIBLE 24
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/*void engine_draw(struct game const *game) {
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dclear(C_BLACK);
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for(int y = 0; y < HEIGHT_VISIBLE; y++) {
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for(int x = 0; x < WIDTH_VISIBLE; x++) {
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int tile = game->map->tiles[y * game->map->w + x] - 1;
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if(tile != -1) {
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int tile_x = tile % TILESET_WIDTH;
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int tile_y = tile / TILESET_WIDTH;
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//dprint(x * 55, y * 16, C_BLACK,"%d(%d:%d)",tile, tile_x, tile_y);
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dsubimage(x * 16, y * 16, game->map->tileset, tile_x * 16, tile_y * 16, 16, 16, DIMAGE_NONE);
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}
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}
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}
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engine_draw_player(game->player);
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}*/
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void engine_draw(struct game const *game) {
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dclear(C_WHITE);
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int j = 0;
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int x = 0;
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int level_width = game->map->w;
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int taillemap = game->map->h*game->map->w;
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int player_view = 12;
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int coomap = game->player->x + game->player->y*level_width;
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int beginmap = coomap - player_view - level_width*player_view;
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int beginline = coomap - player_view * level_width - coomap%level_width;
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if(beginmap < 0) {
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beginmap = game->player->x - player_view;
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if(beginmap < 0) beginmap = 0;
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}
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if((coomap - player_view)%level_width > coomap%level_width) {
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if(beginline > 0) {
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beginmap = beginline;
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} else {
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beginmap = 0;
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}
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}
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int next = game->player->x + player_view + beginmap/level_width * level_width;
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int endline = beginmap+level_width-beginmap%level_width-1;
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if(next > endline) next = endline;
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if(next < 0) {
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next = game->player->x + player_view;
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}
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int indypro = game->player->y + player_view;
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if(indypro > taillemap/level_width-1) {
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indypro = taillemap/level_width-1;
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}
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int endmap = next%level_width + level_width*indypro;
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int ecart = next - beginmap;
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int xcentre = 0, ycentre = 0;
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for(int i = beginmap; i <= endmap; i++) {
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x++;
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if(i == coomap) {xcentre = x-1; ycentre = j; break;}
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if(i == beginmap + ecart + j * level_width) {
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j++;
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x=0;
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i = beginmap + j*level_width-1;
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}
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}
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j=0;
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x=12-xcentre;
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for(int i = beginmap; i <= endmap; i++) {
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int y = j + (7-ycentre);
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for(int layer = 0; layer < 2; layer++) {
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int tile;
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tile = layer == 0 ? game->map->tiles_layer1[i] - 1 : game->map->tiles_layer2[i] - 1;
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if(tile != -1) {
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int tile_x = tile % TILESET_WIDTH;
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int tile_y = tile / TILESET_WIDTH;
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//dprint(x * 55, y * 16, C_BLACK,"%d(%d:%d)",tile, tile_x, tile_y);
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dsubimage(x * 16, y * 16, game->map->tileset, tile_x * 16, tile_y * 16, 16, 16, DIMAGE_NONE);
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}
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}
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x++;
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if(i==beginmap+ecart+j*level_width) {
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j++;
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x=12-xcentre;
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i = beginmap + j*level_width-1;
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}
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}
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engine_draw_player(game->player);
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}
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void engine_draw_player(struct player const *player) {
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extern bopti_image_t img_spritesheet;
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dsubimage(12 * 16, 7 * 16 - 5, &img_spritesheet, player->direction * 16, 0, 16, 21, DIMAGE_NONE);
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dprint(1,1,C_BLACK,"%d:%d",player->x, player->y);
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}
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void engine_move(struct player *player, int direction) {
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int dx = (direction == DIR_RIGHT) - (direction == DIR_LEFT);
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int dy = (direction == DIR_DOWN) - (direction == DIR_UP);
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if(player->direction == direction) {
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player->x += dx;
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player->y += dy;
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} else {
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player->direction = direction;
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}
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} |