[Sapien] Move d3d line draw into h2codez

H2Codez/H2Sapien/RenderDebug.cpp

@@ -1,4 +1,5 @@
 #include "RenderDebug.h"
+#include <d3d9.h>
 #include "..\Common\H2EKCommon.h"
 #include "..\util\Patches.h"
 #include "..\Tags\ScenarioStructureBSP.h"
@@ -10,20 +11,48 @@ scenario_structure_bsp_block *get_sbsp()
 	return *reinterpret_cast<scenario_structure_bsp_block **>(0xA9CA74);
 }
 
+IDirect3DDevice9Ex *get_global_d3d_device()
+{
+	return *reinterpret_cast<IDirect3DDevice9Ex **>(0xFE6B34);
+}
+
+struct s_debug_vertex
+{
+	real_point3d point;
+	D3DCOLOR colour;
+};
+CHECK_STRUCT_SIZE(s_debug_vertex, 0x10);
+
+inline D3DCOLOR halo_colour_to_d3d_colour(const colour_rgba *colour)
+{
+	auto halo_to_hex = [](float num) -> int { return int(num * 255); };
+
+	return D3DCOLOR_ARGB(halo_to_hex(colour->alpha), halo_to_hex(colour->red), halo_to_hex(colour->green), halo_to_hex(colour->blue));
+}
+
 void draw_debug_line(real_point3d *v0, real_point3d *v1, 
 	const colour_rgba *start_colour = nullptr, 
 	const colour_rgba *end_colour = nullptr)
 {
-	const static colour_rgba black;
-
+	const static colour_rgba white;
 	if (!start_colour)
 	{
-		start_colour = &black;
+		start_colour = &white;
 	}
 
-	typedef void __cdecl draw_debug_line(real_point3d *v0, real_point3d *v1, const colour_rgba *start_colour, const colour_rgba *end_colour);
-	auto draw_debug_line_impl = reinterpret_cast<draw_debug_line*>(0x715AF0);
-	draw_debug_line_impl(v0, v1, start_colour, end_colour);
+	if (!end_colour)
+	{
+		end_colour = start_colour;
+	}
+
+	s_debug_vertex line_info[2];
+	line_info[0].point = *v0;
+	line_info[0].colour = halo_colour_to_d3d_colour(start_colour);
+	line_info[1].point = *v1;
+	line_info[1].colour = halo_colour_to_d3d_colour(end_colour);
+
+
+	LOG_CHECK(get_global_d3d_device()->DrawPrimitiveUP(D3DPT_LINELIST, 1, line_info, sizeof(s_debug_vertex)) == NOERROR);
 }
 
 const colour_rgba pathfinding_debug_colour_default( 1.0f, 0.0f, 1.0f, 1.0f );