J3DTevs (#1950)

include/dolphin/gd/GDBase.h

@@ -16,23 +16,65 @@ typedef struct GDLObj {
 
 extern GDLObj* __GDCurrentDL;
 
-inline void GDSetCurrent(GDLObj* obj) {
-    __GDCurrentDL = obj;
-}
+typedef void (*GDOverflowCallback)(void);
+
+void GDInitGDLObj(GDLObj*, u8*, u32);
+void GDFlushCurrToMem();
+void GDPadCurr32();
+void GDOverflowed(void);
 
 inline void __GDWrite(u8 data) {
     *__GDCurrentDL->ptr++ = data;
 }
 
+inline void GDSetCurrent(GDLObj* obj) {
+    __GDCurrentDL = obj;
+}
+
 inline u32 GDGetGDLObjOffset(GDLObj* obj) {
     return (u32)(obj->ptr - obj->start);
 }
 
-void GDInitGDLObj(GDLObj*, u8*, u32);
-void GDFlushCurrToMem();
-void GDPadCurr32();
+inline u8* GDGetCurrPointer() {
+    return __GDCurrentDL->ptr;
+}
 
-typedef void (*GDOverflowCallback)(void);
+inline s32 GDGetCurrOffset() {
+    return __GDCurrentDL->ptr - __GDCurrentDL->start;
+}
+
+inline void GDSetCurrOffset(s32 offs) {
+    __GDCurrentDL->ptr = __GDCurrentDL->start + offs;
+}
+
+inline void GDAdvCurrOffset(s32 offs) {
+    __GDCurrentDL->ptr += offs;
+}
+
+inline void GDOverflowCheck(u32 len) {
+    if (__GDCurrentDL->ptr + len > __GDCurrentDL->end) {
+        GDOverflowed();
+    }
+}
+
+inline void GDWrite_u32(u32 v) {
+    GDOverflowCheck(4);
+    __GDWrite((v >> 24) & 0xff);
+    __GDWrite((v >> 16) & 0xff);
+    __GDWrite((v >> 8) & 0xff);
+    __GDWrite((v >> 0) & 0xff);
+}
+
+inline void GDWrite_u16(u16 v) {
+    GDOverflowCheck(2);
+    __GDWrite(v >> 8);
+    __GDWrite(v & 0xff);
+}
+
+inline void GDWrite_u8(u8 v) {
+    GDOverflowCheck(1);
+    __GDWrite(v);
+}
 
 #ifdef __cplusplus
 };