From c9e599050dfb699fc84d4c8d004f2be1038ec294 Mon Sep 17 00:00:00 2001
From: krystalgamer <callofdutypsp@gmail.com>
Date: Tue, 17 Sep 2024 18:43:01 +0200
Subject: [PATCH] PCGfx_RenderModelPreview

---
 PCGfx.cpp  | 49 +++++++++++++++++++++++++++++++++++++++++++++----
 camera.cpp |  2 +-
 camera.h   |  1 +
 ps2m3d.cpp | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 ps2m3d.h   | 12 ++++++++++++
 5 files changed, 110 insertions(+), 6 deletions(-)

diff --git a/PCGfx.cpp b/PCGfx.cpp
index 87c9fed..c6615cb 100644
--- a/PCGfx.cpp
+++ b/PCGfx.cpp
@@ -3,6 +3,10 @@
 #include "DXsound.h"
 #include "SpideyDX.h"
 #include "DXinit.h"
+#include "camera.h"
+#include "mess.h"
+#include "ps2m3d.h"
+#include "pshell.h"
 
 #include <cmath>
 
@@ -108,7 +112,7 @@ void PCGfx_DrawTexture2D(i32,i32,i32,float,u32,u32,float)
 // @Ok
 // @Matching
 // @Note powerpc has fps counter here and fog level
-void PCGfx_EndScene(i32 a1)
+INLINE void PCGfx_EndScene(i32 a1)
 {
 	if (gSceneRelated)
 	{
@@ -253,10 +257,47 @@ void PCGfx_RenderInit(float a1, float a2, float a3)
 	gRenderInitTwo[1] = gRenderInitTwo[0] / 4096.0f;
 }
 
-// @SMALLTODO
-void PCGfx_RenderModelPreview(void *,char const *,i32)
+// @NotOk
+// third parameter of rendesetup seems to be useless but also DB related
+void PCGfx_RenderModelPreview(
+		void* a1,
+		char const* a2,
+		i32 a3)
 {
-    printf("PCGfx_RenderModelPreview(void *,char const *,i32)");
+	char v3[128];
+
+	M3dMaths_RotMatrixYXZ(&gMikeCamera[0].Angles, &gMikeCamera[0].Transform);
+	TransMatrix(&gMikeCamera[0].Transform, &gMikeCamera[0].Position);
+	PCGfx_BeginScene(1u, -1);
+
+	// @FIXME: third param seems to be ignored
+	M3d_RenderSetup(&gMikeCamera[0], &gViewport, 0);
+	M3d_Render(a1);
+	M3d_RenderCleanup();
+	Mess_SetSort(4095);
+	PShell_SmallFont();
+	Mess_SetRGB(0xFFu, 0xFFu, 0xFFu, 0);
+	Mess_SetRGBBottom(0xFFu, 255, 255);
+	Mess_SetShadowRGB(0xFFu);
+	Mess_SetTextJustify(1);
+
+	sprintf(v3, "PSX: %s", a2);
+	Mess_DrawText(20, 20, v3, 0, 0x1000u);
+	sprintf(v3, "IDX: %i", a3);
+	Mess_DrawText(220, 20, v3, 0, 0x1000u);
+	sprintf(v3, "CAM: %i %i %i", gMikeCamera[0].Position.vx, gMikeCamera[0].Position.vy, gMikeCamera[0].Position.vz);
+	Mess_DrawText(20, 45, v3, 0, 0x1000u);
+
+	CItem* pItem = static_cast<CItem*>(a1);
+	sprintf(
+		v3,
+		"ITM: %i %i %i",
+		pItem->mPos.vx >> 12,
+		pItem->mPos.vy >> 12,
+		pItem->mPos.vz >> 12);
+	Mess_DrawText(220, 45, v3, 0, 0x1000u);
+
+	PCGfx_EndScene(1);
 }
 
 EXPORT i8 gPcGfxBrightnessValues[256];
diff --git a/camera.cpp b/camera.cpp
index 87888f0..5186eb2 100644
--- a/camera.cpp
+++ b/camera.cpp
@@ -7,7 +7,7 @@ SViewport gViewport;
 CCamera *CameraList;
 EXPORT i32 NumCameras;
 
-EXPORT SCamera gMikeCamera[2];
+SCamera gMikeCamera[2];
 
 // @Ok
 // @Test
diff --git a/camera.h b/camera.h
index f49c08c..d0e4a2a 100644
--- a/camera.h
+++ b/camera.h
@@ -208,6 +208,7 @@ public:
 EXPORT __int16 CalcTheta(__int16, __int16);
 EXPORT extern CCamera *CameraList;
 EXPORT extern SViewport gViewport;
+EXPORT extern SCamera gMikeCamera[2];
 
 void validate_CCamera(void);
 void validate_SCamera(void);
diff --git a/ps2m3d.cpp b/ps2m3d.cpp
index 4e078c3..1479aa0 100644
--- a/ps2m3d.cpp
+++ b/ps2m3d.cpp
@@ -8,4 +8,54 @@ void M3d_BuildTransform(CSuper* a){
 
 // @BIGTODO
 void M3d_Render(void*)
-{}
+{
+	printf("void M3d_Render(void*)");
+}
+
+// @MEDIUMTODO
+void DCModel_RenderModel(SModel const *,DCModelData *,matrix4x4 const *,void const *)
+{
+    printf("DCModel_RenderModel(SModel const *,DCModelData *,matrix4x4 const *,void const *)");
+}
+
+// @MEDIUMTODO
+void DC_PSXModel_RenderModel(SModel const *,matrix4x4 const *,void const *,DCModelData *)
+{
+    printf("DC_PSXModel_RenderModel(SModel const *,matrix4x4 const *,void const *,DCModelData *)");
+}
+
+// @MEDIUMTODO
+void M3d_PreprocessPulsingColours(i32)
+{
+    printf("M3d_PreprocessPulsingColours(i32)");
+}
+
+// @MEDIUMTODO
+void M3d_PreprocessWibblyTextures(i32)
+{
+    printf("M3d_PreprocessWibblyTextures(i32)");
+}
+
+// @MEDIUMTODO
+void M3d_RenderBackground(void *)
+{
+    printf("M3d_RenderBackground(void *)");
+}
+
+// @MEDIUMTODO
+void M3d_RenderCleanup(void)
+{
+    printf("M3d_RenderCleanup(void)");
+}
+
+// @MEDIUMTODO
+void M3d_RenderSetup(SCamera *,SViewport *,u32 *)
+{
+    printf("M3d_RenderSetup(SCamera *,SViewport *,u32 *)");
+}
+
+// @MEDIUMTODO
+void RenderSuperItem(CItem *,bool)
+{
+    printf("RenderSuperItem(CItem *,bool)");
+}
diff --git a/ps2m3d.h b/ps2m3d.h
index 080898d..ada36d8 100644
--- a/ps2m3d.h
+++ b/ps2m3d.h
@@ -5,8 +5,20 @@
 
 #include "export.h"
 #include "ob.h"
+#include "camera.h"
+#include "dcmodel.h"
+
+struct matrix4x4;
 
 EXPORT void M3d_BuildTransform(CSuper*);
 EXPORT void M3d_Render(void*);
+EXPORT void DCModel_RenderModel(SModel const *,DCModelData *,matrix4x4 const *,void const *);
+EXPORT void DC_PSXModel_RenderModel(SModel const *,matrix4x4 const *,void const *,DCModelData *);
+EXPORT void M3d_PreprocessPulsingColours(i32);
+EXPORT void M3d_PreprocessWibblyTextures(i32);
+EXPORT void M3d_RenderBackground(void *);
+EXPORT void M3d_RenderCleanup(void);
+EXPORT void M3d_RenderSetup(SCamera *,SViewport *,u32 *);
+EXPORT void RenderSuperItem(CItem *,bool);
 
 #endif