From a236f83d8cd680f956677ac6d65f0a953036e144 Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Fri, 19 Feb 2021 10:02:23 +0300
Subject: Room can be loaded.

---
 src/room.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/room.c

(limited to 'src/room.c')

diff --git a/src/room.c b/src/room.c
new file mode 100644
index 0000000..389793c
--- /dev/null
+++ b/src/room.c
@@ -0,0 +1,102 @@
+#include "room.h"
+
+#include <stdio.h>
+#include "texture.h"
+
+
+#define ROOM_W 19
+#define ROOM_H 15
+
+
+static char *readline(FILE *f)
+{
+    int len = 0;
+    char *res = malloc(1);
+    int c = fgetc(f);
+    while (c != EOF && c != '\n') {
+        res = realloc(res, len + 2);
+        res[len++] = c;
+        c = fgetc(f);
+    }
+    res[len] = 0;
+    return res;
+}
+
+static char skipspaces(FILE *f)
+{
+    int c = fgetc(f);
+    while (c == ' ' || c == '\n' || c == '\t') c = fgetc(f);
+    return c == EOF ? 0 : c;
+}
+
+tt_room *tt_room_load(int num)
+{
+    tt_room *res = malloc(sizeof(*res));
+    char path[] = "data/rooms/00";
+    path[11] = '0' + num / 10;
+    path[12] = '0' + num % 10;
+    FILE *f = fopen(path, "r");
+    char *type = readline(f);
+    free(type);
+    int i, j;
+    for (i = 0; i != ROOM_H; ++i) {
+        for (j = 0; j != ROOM_W; ++j) {
+            char c = skipspaces(f);
+            if (c == '.') {
+                res->tiles[i][j] = &tt_texture_floor;
+                res->bodies[i][j] = 0;
+            } else if (c == '#') {
+                if (i == 0 && j == 0) {
+                    res->tiles[i][j] = &tt_texture_corner_lu;
+                } else if (i == 0 && j == ROOM_W - 1) {
+                    res->tiles[i][j] = &tt_texture_corner_ru;
+                } else if (i == ROOM_H - 1 && j == 0) {
+                    res->tiles[i][j] = &tt_texture_corner_ld;
+                } else if (i == ROOM_H - 1 && j == ROOM_W - 1) {
+                    res->tiles[i][j] = &tt_texture_corner_rd;
+                } else if (i == 0) {
+                    res->tiles[i][j] = &tt_texture_wall_u;
+                } else if (i == ROOM_H - 1) {
+                    res->tiles[i][j] = &tt_texture_wall_d;
+                } else if (j == 0) {
+                    res->tiles[i][j] = &tt_texture_wall_l;
+                } else if (j == ROOM_W - 1) {
+                    res->tiles[i][j] = &tt_texture_wall_r;
+                } else {
+                    fclose(f);
+                    free(res);
+                    return 0;
+                }
+                res->bodies[i][j] = 0;
+/*            } else if (c == '@') {
+                res->tiles[i][j] = tt_tile_floor;
+                res->bodies[i][j] = tt_player_spawn();
+                if (!res->bodies[i][j]) {
+                    flcose(f);
+                    free(res);
+                    return 0;
+                } */
+            } else {
+                fclose(f);
+                free(res);
+                return 0;
+            }
+        }
+    }
+    return res;
+}
+
+
+void tt_room_draw(SDL_Renderer *rdr, SDL_Texture *txr, tt_room *room)
+{
+    int i, j;
+    for (i = 0; i != ROOM_H; ++i) {
+        for (j = 0; j != ROOM_W; ++j) {
+            const SDL_Rect *src = room->tiles[i][j];
+            if (src) {
+                SDL_Rect dst = { 30 + 32 * j, 30 + 32 * i, 32, 32 };
+                SDL_RenderCopy(rdr, txr, src, &dst);
+            }
+        }
+    }
+}
-- 
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