From: Lukas Krickl <lukas@krickl.dev>
Date: Sat, 21 Feb 2026 20:55:59 +0000 (+0100)
Subject: engine setup: Added some basic helpers
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=9dfde16ff8e642a2fa4ceab725aaac86b77112a7;p=lmud%2F.git

engine setup: Added some basic helpers
---

diff --git a/src/lmud.h b/src/lmud.h
index 481e6b2..f65cbc8 100644
--- a/src/lmud.h
+++ b/src/lmud.h
@@ -1,11 +1,15 @@
 #ifndef LMUD_H__
 #define LMUD_H__
 
+#define LMUD_DEBUG
+
 /**
  * System includes
  */
 #include "u_stdio.h"
 #include "u_mem.h"
+#include "t_actor.h"
+#include "u_assert.h"
 
 #define LMUD_VER "0.0.1"
 
@@ -16,6 +20,10 @@
 #define LMUD_OPTS_ARG "c:"
 #define LMUD_HELP(a, desc) printf("\t-%s\t%s\n", (a), desc);
 
+/**
+ * generic typedefs
+ */
+
 typedef unsigned char lmud_bool;
 #define LMUD_TRUE 1
 #define LMUD_FALSE 0
@@ -27,6 +35,13 @@ struct lmud_config {
 	int argc;
 };
 
+typedef unsigned char u8;
+typedef char i8;
+typedef unsigned short u16;
+typedef short i16;
+typedef unsigned int u32;
+typedef int i32;
+
 struct lmud_config* lmud_cfg();
 void lmud_help(int argc, char **argv);
 void lmud_version(void);
@@ -43,6 +58,8 @@ int lmud_main(int argc, char **argv);
 #include "lmud.c"
 #include "u_stdio.c"
 #include "u_mem.c"
+#include "t_actor.c"
+#include "u_rand.h"
 
 #endif
 
diff --git a/src/t_actor.c b/src/t_actor.c
new file mode 100644
index 0000000..d948cdd
--- /dev/null
+++ b/src/t_actor.c
@@ -0,0 +1 @@
+#include "t_actor.h"
diff --git a/src/t_actor.h b/src/t_actor.h
new file mode 100644
index 0000000..3d04524
--- /dev/null
+++ b/src/t_actor.h
@@ -0,0 +1,54 @@
+#ifndef T_ACTOR_H__
+#define T_ACTOR_H__
+
+enum t_actor_flags {
+	T_ACTOR_F_NONE = 0
+};
+
+/**
+ * Character stats
+ */
+struct t_stats {
+	/**
+	 * base stats
+	 */ 
+	short str;
+	short wis;
+	short agi;
+	short vit;
+
+	/* resistances */
+	short poison_res;
+	short fire_res;
+	short holy_res;
+	short chaos_res;
+
+	/* damage stats */
+	unsigned int physical_damage;
+	unsigned int magic_damage;
+
+	/* misc */
+	unsigned char tohit;
+};
+
+/* current actor state
+ * this struct mostly contains 
+ * mutable variables related to an actor
+ */
+struct t_actor_state {
+	int hp;
+	int mp;
+	int level;
+	int xp;
+};
+
+struct t_actor {
+	unsigned int id;
+	unsigned short faction_id;
+
+	struct t_stats stats;
+	struct t_actor_state state;
+};
+
+
+#endif
diff --git a/src/u_assert.h b/src/u_assert.h
new file mode 100644
index 0000000..19a6d57
--- /dev/null
+++ b/src/u_assert.h
@@ -0,0 +1,20 @@
+#ifndef U_ASSERT_H__
+#define U_ASSERT_H__
+
+#include <assert.h>
+
+#ifdef DEBUG
+
+#define lmud_assert(e, message) assert(e)
+
+#define lmud_todo(message) assert(0)
+
+#else
+
+#define lmud_assert(e, message)
+
+#define lmud_todo(message)
+
+#endif
+
+#endif
diff --git a/src/u_mem.c b/src/u_mem.c
index ec55198..5609b69 100644
--- a/src/u_mem.c
+++ b/src/u_mem.c
@@ -1 +1,11 @@
+#include <string.h>
 #include "u_mem.h"
+
+
+void *u_memset(void *src, int c, size_t n) {
+	return memset(src, c, n);
+}
+
+void *u_memcpy(void *dst, const void *src, size_t n) {
+	return memcpy(dst, src, n);
+}
diff --git a/src/u_mem.h b/src/u_mem.h
index 6984914..50cee6d 100644
--- a/src/u_mem.h
+++ b/src/u_mem.h
@@ -2,5 +2,7 @@
 #define U_MEM_H__
 
 
+void *u_memset(void *src, int count, size_t n);
+void *u_memcpy(void *det, const void *src, size_t n);
 
 #endif
diff --git a/src/u_rand.c b/src/u_rand.c
new file mode 100644
index 0000000..bd8daf3
--- /dev/null
+++ b/src/u_rand.c
@@ -0,0 +1,10 @@
+#include "u_rand.h"
+#include "u_assert.h"
+
+void u_srand(u32 s) {
+	lmud_assert();
+}
+
+u32 u_rand(void) {
+	lmud_todo("Not yet implemented")
+}
diff --git a/src/u_rand.h b/src/u_rand.h
new file mode 100644
index 0000000..1d06560
--- /dev/null
+++ b/src/u_rand.h
@@ -0,0 +1,10 @@
+#ifndef U_RAND_H__
+#define U_RAND_H__
+
+#include "lmud.h"
+
+void u_srand(u32 s);
+
+u32 u_rand(void);
+
+#endif