Term

src/display/CMakeLists.txt

@@ -7,4 +7,5 @@
 target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     render.c
+    term.c
 )

src/display/render.c

@@ -6,7 +6,22 @@
  */
 
 #include "render.h"
+#include "term.h"
 
 void renderInit() {
-  
+  termInit();
+}
+
+void renderUpdate() {
+  termUpdate();
+  termClear();
+
+  for(int32_t y = 0; y < TERM.height; y++) {
+    for(int32_t x = 0; x < TERM.width; x++) {
+      char_t c = ' '; // Replace with actual rendering logic
+      termPushChar(c);
+    }
+  }
+
+  termFlush();
 }

src/display/render.h

@@ -6,8 +6,17 @@
  */
 
 #pragma once
+#include "dusk.h"
+
+extern int32_t renderColumnCount;
+extern int32_t renderRowCount;
 
 /**
  * Init the render system.
  */
 void renderInit();
+
+/**
+ * Update the render system.
+ */
+void renderUpdate();

src/display/term.c

@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "term.h"
+#include "util/memory.h"
+#include <sys/ioctl.h>
+
+term_t TERM;
+
+void termInit() {
+  memoryZero(&TERM, sizeof(term_t));
+
+  struct winsize w;
+  if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0) {
+    TERM.width = w.ws_col;
+    TERM.height = w.ws_row;
+  }
+}
+
+void termUpdate() {
+  struct winsize w;
+  if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0) {
+    TERM.width = w.ws_col;
+    TERM.height = w.ws_row;
+  }
+}
+
+void termClear() {
+  printf("\033[2J\033[H");
+}
+
+void termPushChar(const char_t c) {
+  putchar(c);
+}
+
+void termFlush() {
+  fflush(stdout);
+}

src/display/term.h

@@ -0,0 +1,43 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef struct {
+  int32_t width;
+  int32_t height;
+} term_t;
+
+extern term_t TERM;
+
+/**
+ * Initialize the terminal system.
+ */
+void termInit();
+
+/**
+ * Update the terminal system, typically called each frame.
+ */
+void termUpdate();
+
+/**
+ * Clear the terminal screen and reset cursor position.
+ */
+void termClear();
+
+/**
+ * Push a character to the terminal output buffer.
+ * 
+ * @param c The character to push.
+ */
+void termPushChar(const char_t c);
+
+/**
+ * Flush the terminal output buffer to the terminal.
+ */
+void termFlush();

src/main.c

@@ -13,8 +13,8 @@ int32_t main(const int32_t argc, const char **argv) {
   renderInit();
 
   while(1) {
-    
+    renderUpdate();
-    usleep(16 * 1000); // Sleep for 16 milliseconds (60 FPS)
+    usleep(100 * 1000); // Sleep for 16 milliseconds (60 FPS)
   }
 
   return EXIT_SUCCESS;

src/rpg/entity/entity.h

@@ -29,6 +29,7 @@ typedef enum {
 typedef struct _entity_t {
   entitytype_t type;
   uint8_t x, y;
+  uint8_t subX, subY;
   entitydir_t dir;
 
   // Per type data

src/rpg/item/itemtype.c

@@ -23,6 +23,6 @@ iteminfo_t ITEM_INFO[ITEM_TYPE_COUNT] = {
 };
 
 static inline bool_t itemTypeIsStackable(const itemtype_t type) {
-  assert(type < ITEM_TYPE_COUNT, "Invalid item type");
+  assertTrue(type < ITEM_TYPE_COUNT, "Invalid item type");
   return ITEM_INFO[type].stackable;
 }