From 04af7fbd7891b4be883be8231d8fc0ae11a763e7 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Tue, 13 Jun 2023 23:29:50 +0100
Subject: Map renderer

---
 data/stage.json |  45 ++++++++++-----------------------------------
 data/tiles.png  | Bin 1038 -> 7976 bytes
 src/Makefile    |   8 +++++++-
 src/data.h      |   2 ++
 src/main.c      |   4 +++-
 src/map.c       |  33 +++++++++++++++++++++++++++++++++
 src/map.h       |  17 +++++++++++++++++
 7 files changed, 72 insertions(+), 37 deletions(-)
 create mode 100644 src/map.c
 create mode 100644 src/map.h

diff --git a/data/stage.json b/data/stage.json
index 152712b..7e181c0 100644
--- a/data/stage.json
+++ b/data/stage.json
@@ -3,30 +3,18 @@
  "infinite":false,
  "layers":[
         {
-         "data":[2, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 3, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164],
-         "height":23,
-         "id":2,
-         "name":"BG",
-         "opacity":1,
-         "type":"tilelayer",
-         "visible":true,
-         "width":20,
-         "x":0,
-         "y":0
-        }, 
-        {
-         "data":[14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 15, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 168, 0, 0, 0, 0, 0, 0, 168, 14, 15, 0, 168, 0, 0, 0, 0, 168, 0, 0, 0, 0, 0, 0, 168, 0, 0, 0, 0, 15, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 15, 0, 0, 0, 0, 168, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 14, 180, 180, 180, 180, 180, 0, 0, 0, 0, 0, 0, 0, 18, 18, 18, 18, 18, 18, 14, 15, 163, 163, 163, 163, 167, 0, 0, 0, 0, 0, 0, 0, 1, 167, 1, 1, 1, 1, 15, 14, 0, 0, 0, 0, 166, 0, 0, 0, 0, 168, 0, 0, 0, 166, 0, 168, 0, 0, 14, 15, 0, 0, 168, 0, 166, 180, 180, 180, 0, 0, 0, 0, 0, 166, 18, 18, 18, 18, 15, 14, 0, 0, 0, 0, 166, 163, 167, 163, 0, 0, 0, 0, 0, 166, 1, 167, 1, 1, 14, 15, 0, 0, 0, 0, 166, 0, 166, 0, 0, 0, 0, 0, 0, 166, 0, 166, 0, 0, 15, 14, 0, 168, 0, 180, 180, 180, 180, 0, 0, 0, 168, 0, 18, 18, 18, 18, 0, 168, 14, 1, 0, 0, 0, 163, 163, 167, 163, 168, 0, 0, 0, 0, 1, 167, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 166, 0, 0, 0, 0, 0, 0, 0, 166, 0, 0, 0, 0, 0, 179, 18, 18, 18, 18, 18, 18, 0, 0, 0, 0, 0, 0, 18, 18, 18, 18, 18, 18, 179, 14, 1, 1, 167, 1, 1, 167, 0, 0, 0, 0, 0, 0, 1, 1, 1, 167, 1, 1, 14, 15, 0, 0, 166, 0, 0, 166, 0, 0, 0, 168, 0, 0, 0, 0, 0, 166, 0, 0, 15, 14, 18, 18, 18, 18, 18, 18, 0, 0, 0, 0, 0, 0, 0, 0, 18, 18, 18, 18, 14, 15, 1, 1, 167, 1, 1, 167, 0, 168, 0, 0, 0, 0, 168, 0, 1, 167, 1, 1, 15, 14, 168, 0, 166, 0, 0, 166, 0, 0, 0, 0, 0, 0, 0, 0, 0, 166, 168, 0, 14, 15, 179, 179, 179, 179, 179, 179, 179, 0, 0, 0, 0, 0, 179, 179, 179, 179, 179, 179, 15, 14, 14, 14, 14, 14, 14, 14, 14, 27, 27, 27, 27, 189, 14, 14, 14, 14, 14, 14, 14],
+         "data":[41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 41, 42, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 41, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 41, 42, 61, 62, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 5, 6, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 5, 6, 24, 61, 62, 41, 42, 3, 4, 5, 6, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 41, 42, 61, 62, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 5, 6, 24, 23, 24, 23, 24, 23, 24, 61, 62, 41, 42, 3, 4, 3, 4, 3, 4, 3, 4, 3, 5, 6, 4, 3, 4, 3, 4, 45, 45, 45, 45, 45, 45, 45, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 41, 42, 61, 62, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 1, 1, 1, 1, 1, 2, 1, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 61, 62, 41, 42, 3, 4, 3, 4, 3, 4, 45, 45, 45, 45, 45, 45, 45, 4, 3, 4, 3, 4, 3, 4, 3, 22, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 41, 42, 61, 62, 23, 24, 5, 6, 23, 24, 1, 2, 1, 1, 1, 2, 1, 24, 23, 24, 23, 24, 23, 24, 23, 45, 45, 45, 45, 45, 23, 24, 45, 45, 45, 45, 45, 45, 23, 24, 61, 62, 41, 42, 3, 4, 3, 4, 3, 4, 3, 22, 3, 4, 3, 22, 3, 4, 3, 4, 3, 4, 3, 4, 3, 1, 1, 1, 1, 2, 3, 4, 2, 1, 1, 1, 1, 1, 3, 4, 41, 42, 61, 62, 23, 24, 23, 24, 23, 24, 23, 22, 23, 24, 23, 22, 23, 24, 23, 24, 23, 5, 6, 24, 23, 24, 23, 24, 23, 22, 23, 24, 22, 24, 23, 24, 23, 24, 23, 24, 61, 62, 41, 42, 3, 4, 3, 4, 3, 45, 45, 45, 45, 45, 45, 45, 45, 45, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 45, 45, 45, 45, 45, 3, 4, 5, 6, 3, 4, 41, 42, 1, 1, 23, 24, 23, 24, 23, 1, 1, 2, 1, 1, 1, 1, 1, 1, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 1, 1, 1, 2, 1, 23, 24, 23, 24, 23, 24, 1, 1, 3, 4, 3, 4, 3, 4, 3, 4, 3, 22, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 22, 4, 3, 4, 3, 4, 3, 4, 3, 4, 63, 64, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 23, 24, 23, 24, 23, 24, 23, 24, 23, 5, 6, 24, 23, 24, 23, 24, 23, 24, 45, 45, 45, 45, 45, 45, 23, 24, 63, 64, 41, 42, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 1, 1, 2, 1, 1, 1, 3, 4, 41, 42, 61, 62, 5, 6, 23, 22, 23, 24, 23, 22, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 22, 24, 23, 24, 23, 24, 61, 62, 41, 42, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 3, 4, 3, 5, 6, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 41, 42, 61, 62, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 24, 23, 5, 6, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 61, 62, 41, 42, 3, 4, 3, 22, 3, 4, 3, 22, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 5, 6, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 22, 4, 5, 6, 3, 4, 41, 42, 41, 42, 43, 44, 43, 44, 43, 44, 43, 44, 43, 44, 43, 44, 43, 3, 4, 3, 4, 3, 4, 3, 4, 3, 43, 44, 43, 44, 43, 44, 43, 44, 43, 44, 43, 44, 43, 44, 41, 42, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 101, 101, 101, 101, 101, 101, 101, 101, 101, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62, 61, 62],
          "height":23,
          "id":1,
          "name":"Map",
          "opacity":1,
          "type":"tilelayer",
          "visible":true,
-         "width":20,
+         "width":40,
          "x":0,
          "y":0
         }],
- "nextlayerid":3,
+ "nextlayerid":2,
  "nextobjectid":1,
  "orientation":"orthogonal",
  "renderorder":"right-down",
@@ -34,33 +22,20 @@
  "tileheight":8,
  "tilesets":[
         {
-         "columns":13,
+         "columns":20,
          "firstgid":1,
          "image":"tiles.png",
          "imageheight":48,
-         "imagewidth":208,
+         "imagewidth":160,
          "margin":0,
-         "name":"Default",
-         "spacing":0,
-         "tilecount":162,
-         "tileheight":8,
-         "tilewidth":16
-        }, 
-        {
-         "columns":13,
-         "firstgid":163,
-         "image":"tiles.png",
-         "imageheight":48,
-         "imagewidth":208,
-         "margin":0,
-         "name":"Default",
+         "name":"Map",
          "spacing":0,
-         "tilecount":78,
+         "tilecount":156,
          "tileheight":8,
-         "tilewidth":16
+         "tilewidth":8
         }],
- "tilewidth":16,
+ "tilewidth":8,
  "type":"map",
  "version":"1.6",
- "width":20
+ "width":40
 }
\ No newline at end of file
diff --git a/data/tiles.png b/data/tiles.png
index f7cc4f2..80d8d0c 100644
Binary files a/data/tiles.png and b/data/tiles.png differ
diff --git a/src/Makefile b/src/Makefile
index 4852b93..50b1179 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,8 +6,11 @@ LDFLAGS := -s
 IMGS		:= $(wildcard ../data/*.png)
 IMG_OBJS 	:= $(IMGS:../data/%.png=%.o)
 
+MAPS		:= ../data/stage.json
+MAP_OBJS	:= $(MAPS:../data/%.json=%.o)
+
 SRCS	:= $(wildcard *.c)
-OBJS	:= $(SRCS:.c=.o) $(IMG_OBJS) palette.o
+OBJS	:= $(SRCS:.c=.o) $(IMG_OBJS) palette.o $(MAP_OBJS)
 
 all: $(BIN)
 
@@ -23,6 +26,9 @@ palette.o: ../data/sprites.png
 $(IMG_OBJS): %.o: ../data/%.png
 	../tools/pngpix.py $< $@
 
+$(MAP_OBJS): %.o: ../data/%.json
+	../tools/map.py $< $@
+
 clean:
 	rm -f $(BIN) *.o Makefile.deps
 
diff --git a/src/data.h b/src/data.h
index d7f2f4c..8d4b2e3 100644
--- a/src/data.h
+++ b/src/data.h
@@ -7,4 +7,6 @@ extern const uint8_t binary_sprites_start[];
 extern const uint8_t binary_tiles_start[];
 extern const uint8_t binary_font_start[];
 
+extern const uint8_t binary_stage_start[];
+
 #endif /* _DATA_H */
diff --git a/src/main.c b/src/main.c
index be248d3..9985159 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,6 +7,7 @@
 #include "keyb.h"
 #include "vga.h"
 #include "text.h"
+#include "map.h"
 #include "data.h"
 
 /* disable paging because our int handlers are written in C */
@@ -36,7 +37,8 @@ int main(int argc, char *argv[])
     blit_erase(0);
     wait_vsync();
 
-    put_text(10, 10, "TESTING! 1234567890* ()^_");
+    map_init(binary_stage_start);
+    map_render();
 
     blit_update();
 
diff --git a/src/map.c b/src/map.c
new file mode 100644
index 0000000..55fc470
--- /dev/null
+++ b/src/map.c
@@ -0,0 +1,33 @@
+#include <stdint.h>
+
+#include "vga.h"
+#include "data.h"
+
+#include "map.h"
+
+static const uint8_t *cmap;
+
+void map_init(const uint8_t map[])
+{
+    cmap = map;
+}
+
+void map_render()
+{
+    const uint8_t *tiles = binary_tiles_start;
+    Rect src = { 0, 0, 160, 48 };
+    Rect dst = { 0, 0, 8, 8 };
+
+    for (uint8_t y = 0; y < MAP_H; y++)
+        for (uint8_t x = 0; x < MAP_W; x++)
+        {
+            dst.x = x * MAP_TILE_W;
+            dst.y = y * MAP_TILE_H + MAP_OFFS_Y;
+
+            uint8_t t = cmap[x + y * MAP_W];
+            src.x = (t % MAP_TILESET_COLS) * MAP_TILE_W;
+            src.y = (t / MAP_TILESET_COLS) * MAP_TILE_H;
+
+            blitrc(binary_tiles_start, &src, &dst);
+        }
+}
diff --git a/src/map.h b/src/map.h
new file mode 100644
index 0000000..7c08fe5
--- /dev/null
+++ b/src/map.h
@@ -0,0 +1,17 @@
+#ifndef _MAP_H
+#define _MAP_H
+
+#define MAP_TILE_W 8
+#define MAP_TILE_H 8
+
+#define MAP_W 40
+#define MAP_H 23
+
+#define MAP_OFFS_Y 16
+
+#define MAP_TILESET_COLS 20
+
+void map_init(const uint8_t map[]);
+void map_render();
+
+#endif /* _MAP_H */
-- 
cgit v1.2.3