- split out the generic parts of the crosshair drawer.

src/CMakeLists.txt

@@ -905,6 +905,7 @@ set (PCH_SOURCES
 	g_statusbar/sbarinfo.cpp
 	g_statusbar/sbar_mugshot.cpp
 	g_statusbar/shared_sbar.cpp
+	g_statusbar/base_sbar.cpp
 	rendering/2d/f_wipe.cpp
 	rendering/2d/v_blend.cpp
 	rendering/hwrenderer/hw_entrypoint.cpp

src/g_statusbar/base_sbar.cpp

@@ -0,0 +1,198 @@
+/*
+** base_sbar.cpp
+** Base status bar implementation
+**
+**---------------------------------------------------------------------------
+** Copyright 1998-2016 Randy Heit
+** Copyright 2017-2020 Christoph Oelckers
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+**
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**---------------------------------------------------------------------------
+**
+*/
+
+#include <assert.h>
+
+#include "templates.h"
+#include "base_sbar.h"
+#include "printf.h"
+#include "v_draw.h"
+#include "cmdlib.h"
+#include "texturemanager.h"
+#include "c_cvars.h"
+
+FGameTexture* CrosshairImage;
+static int CrosshairNum;
+
+
+IMPLEMENT_CLASS(DStatusBarCore, false, false)
+
+
+CVAR(Color, crosshaircolor, 0xff0000, CVAR_ARCHIVE);
+CVAR(Int, crosshairhealth, 1, CVAR_ARCHIVE);
+CVAR(Float, crosshairscale, 1.0, CVAR_ARCHIVE);
+CVAR(Bool, crosshairgrow, false, CVAR_ARCHIVE);
+
+
+
+void ST_LoadCrosshair(int num, bool alwaysload)
+{
+	char name[16];
+	char size;
+
+	if (!alwaysload && CrosshairNum == num && CrosshairImage != NULL)
+	{ // No change.
+		return;
+	}
+
+	if (num == 0)
+	{
+		CrosshairNum = 0;
+		CrosshairImage = NULL;
+		return;
+	}
+	if (num < 0)
+	{
+		num = -num;
+	}
+	size = (twod->GetWidth() < 640) ? 'S' : 'B';
+
+	mysnprintf(name, countof(name), "XHAIR%c%d", size, num);
+	FTextureID texid = TexMan.CheckForTexture(name, ETextureType::MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
+	if (!texid.isValid())
+	{
+		mysnprintf(name, countof(name), "XHAIR%c1", size);
+		texid = TexMan.CheckForTexture(name, ETextureType::MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
+		if (!texid.isValid())
+		{
+			texid = TexMan.CheckForTexture("XHAIRS1", ETextureType::MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
+		}
+	}
+	CrosshairNum = num;
+	CrosshairImage = TexMan.GetGameTexture(texid);
+}
+
+void ST_UnloadCrosshair()
+{
+	CrosshairImage = NULL;
+	CrosshairNum = 0;
+}
+
+
+//---------------------------------------------------------------------------
+//
+// DrawCrosshair
+//
+//---------------------------------------------------------------------------
+
+void ST_DrawCrosshair(int phealth, double xpos, double ypos, double scale)
+{
+	uint32_t color;
+	double size;
+	int w, h;
+
+	// Don't draw the crosshair if there is none
+	if (CrosshairImage == NULL)
+	{
+		return;
+	}
+
+	if (crosshairscale > 0.0f)
+	{
+		size = twod->GetHeight() * crosshairscale * 0.005;
+	}
+	else
+	{
+		size = 1.;
+	}
+
+	if (crosshairgrow)
+	{
+		size *= scale;
+	}
+
+	w = int(CrosshairImage->GetDisplayWidth() * size);
+	h = int(CrosshairImage->GetDisplayHeight() * size);
+
+	if (crosshairhealth == 1)
+	{
+		// "Standard" crosshair health (green-red)
+		int health = phealth;
+
+		if (health >= 85)
+		{
+			color = 0x00ff00;
+		}
+		else
+		{
+			int red, green;
+			health -= 25;
+			if (health < 0)
+			{
+				health = 0;
+			}
+			if (health < 30)
+			{
+				red = 255;
+				green = health * 255 / 30;
+			}
+			else
+			{
+				red = (60 - health) * 255 / 30;
+				green = 255;
+			}
+			color = (red << 16) | (green << 8);
+		}
+	}
+	else if (crosshairhealth == 2)
+	{
+		// "Enhanced" crosshair health (blue-green-yellow-red)
+		int health = clamp(phealth, 0, 200);
+		float rr, gg, bb;
+
+		float saturation = health < 150 ? 1.f : 1.f - (health - 150) / 100.f;
+
+		HSVtoRGB(&rr, &gg, &bb, health * 1.2f, saturation, 1);
+		int red = int(rr * 255);
+		int green = int(gg * 255);
+		int blue = int(bb * 255);
+
+		color = (red << 16) | (green << 8) | blue;
+	}
+	else
+	{
+		color = crosshaircolor;
+	}
+
+	DrawTexture(twod, CrosshairImage,
+		xpos, ypos,
+		DTA_DestWidth, w,
+		DTA_DestHeight, h,
+		DTA_AlphaChannel, true,
+		DTA_FillColor, color & 0xFFFFFF,
+		TAG_DONE);
+}
+
+

src/g_statusbar/base_sbar.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "dobject.h"
+class FGameTexture;
+extern FGameTexture* CrosshairImage;
+void ST_LoadCrosshair(int num, bool alwaysload);
+void ST_UnloadCrosshair();
+void ST_DrawCrosshair(int phealth, double xpos, double ypos, double scale);
+
+
+
+class DStatusBarCore : public DObject
+{
+	DECLARE_CLASS(DStatusBarCore, DObject)
+
+};

src/g_statusbar/sbar.h

@@ -35,7 +35,7 @@
 #ifndef __SBAR_H__
 #define __SBAR_H__
 
-#include "dobject.h"
+#include "base_sbar.h"
 #include "v_collection.h"
 #include "v_text.h"
 #include "renderstyle.h"
@@ -356,10 +356,10 @@ class DHUDFont : public DObject
 };
 
 
-class DBaseStatusBar : public DObject
+class DBaseStatusBar : public DStatusBarCore
 {
 	friend class DSBarInfo;
-	DECLARE_CLASS (DBaseStatusBar, DObject)
+	DECLARE_CLASS (DBaseStatusBar, DStatusBarCore)
 	HAS_OBJECT_POINTERS
 public:
 	// Popup screens for Strife's status bar
@@ -536,7 +536,6 @@ DBaseStatusBar *CreateCustomStatusBar(int script=0);
 void ST_LoadCrosshair(bool alwaysload=false);
 void ST_Clear();
 void ST_CreateStatusBar(bool bTitleLevel);
-extern FGameTexture *CrosshairImage;
 
 int GetInventoryIcon(AActor *item, uint32_t flags, int *applyscale = nullptr);