[TextRenderer]: Added 'Low Ammo' with keybind. (#4)

iw3sp_mod_ff_src/raw/ui/hud.menu

@@ -198,6 +198,21 @@
 			visible			1
 			decoration
 		}
+
+		itemDef
+		{
+			name			"lowammowarning"	
+			rect			-10 15 150 30 HORIZONTAL_ALIGN_CENTER VERTICAL_ALIGN_CENTER
+			textfont		UI_FONT_DEFAULT
+			textscale		TEXTSIZE_SMALL
+			textalign		(ITEM_ALIGN_CENTER | ITEM_ALIGN_MIDDLE)
+			textstyle		ITEM_TEXTSTYLE_SHADOWED
+			forecolor		1 1 1 1
+			//background	"white"
+			ownerdraw		CG_PLAYER_WEAPON_LOW_AMMO_WARNING
+			visible			when ( dvarInt( g_gameskill ) == 0 || dvarInt( g_gameskill ) == 1 /*&& dvarBool ( gpad_in_use ) == 1*/ );
+			decoration
+		}
 	}
 
 	#define COMPASS_OFFSET	0 -10

src/Components/Modules/TextRenderer.cpp

@@ -148,6 +148,32 @@ namespace Components
 		Game::UI_FilterStringForButtonAnimation(text, 1024);
 	}
 
+	const char* TextRenderer::CG_DrawPlayerWeaponLowAmmoKey(const char* pszInputBuffer, const char* pszMessageType, int errType)
+	{
+		char binding[256];
+		Game::UI_GetKeyBindingLocalizedString(0, "+usereload", binding, 0);
+		const char* displayString = Game::UI_SafeTranslateString(pszInputBuffer);
+		const char* localizedString = Game::UI_ReplaceConversionString(displayString, binding);
+
+		return localizedString;
+	}
+
+	__declspec(naked) void TextRenderer::CG_DrawPlayerWeaponLowAmmoWarningStub()
+	{
+		const static uint32_t jump_offset = 0x040A1F0;
+		static const char* messageType = "low ammo warning";
+		__asm
+		{
+			push	0;
+			push	messageType;
+			push	esi;
+			call	CG_DrawPlayerWeaponLowAmmoKey;
+			add		esp, 0xC;
+
+			jmp		jump_offset;
+		}
+	}
+
 	__declspec(naked) void TextRenderer::R_TextWidth_Stub01()
 	{
 		const static uint32_t jump_offset = 0x56E618;
@@ -238,5 +264,8 @@ namespace Components
 		// GetHudelemDirective
 		Utils::Hook::Nop(0x41AA8B, 7);
 		Utils::Hook(0x41AA8B, UI_GetKeyBindingLocalizedStringStub, HOOK_JUMP).install()->quick();
+
+		// Converting a simple 'reload' text to a text with keybind localized
+		Utils::Hook(0x40A1EB, CG_DrawPlayerWeaponLowAmmoWarningStub, HOOK_JUMP).install()->quick();
 	}
 }

src/Components/Modules/TextRenderer.hpp

@@ -22,6 +22,8 @@ namespace Components
 		static void DrawHudIconStub();
 		static void UI_ReplaceConversionStringStub();
 		static void ButtonAnimation(char* text);
+		static void CG_DrawPlayerWeaponLowAmmoWarningStub();
+		static const char* CG_DrawPlayerWeaponLowAmmoKey(const char* pszInputBuffer, const char* pszMessageType, int errType);
 		static void UI_GetKeyBindingLocalizedStringStub();
 
 		static int R_TextWidth_Hk(const char* text, int maxChars, Game::Font_s* font);

src/Game/Functions.cpp

@@ -1317,4 +1317,23 @@ namespace Game
 		}
 		return result;
 	}
+
+	int UI_GetKeyBindingLocalizedString/*eax*/(int localClientNum/*eax*/, const char* command/*ecx*/, char* keys, int bindNum)
+	{
+		int result;
+		const uint32_t UI_GetKeyBindingLocalizedString_func = 0x56F1E0;
+		__asm
+		{
+			pushad;
+			mov		eax, [localClientNum];
+			mov		ecx, [command];
+			push	bindNum;
+			push	keys;
+			call	UI_GetKeyBindingLocalizedString_func;
+			add		esp, 8;
+			mov		result, eax;
+			popad;
+		}
+		return result;
+	}
 }

src/Game/Functions.hpp

@@ -259,4 +259,6 @@ namespace Game
 	void SV_ShutdownGameVM(int clearScripts/*edi*/);
 	void UI_DrawTextWithGlow(int vertAlign/*eax*/, int horzAlign/*ecx*/, const Game::ScreenPlacement* ScrPlace, const char* text, Game::Font_s* font, float x, float y, float scale, const float* color, int style, const float* glowColor, int subtitle, int cinematic);
 	int String_Parse/*eax*/(const char** p/*eax*/, char* char_out, int len);
+
+	int UI_GetKeyBindingLocalizedString/*eax*/(int localClientNum/*eax*/, const char* command/*ecx*/, char* keys, int bindNum);
 }