From 095b8b1e74e7d2454bfb92e22811e06702e3ae46 Mon Sep 17 00:00:00 2001
From: Sergeanur <s.anureev@yandex.ua>
Date: Thu, 3 Oct 2019 13:16:28 +0300
Subject: [PATCH] CMoneyMessages

---
 src/render/MoneyMessages.cpp | 86 ++++++++++++++++++++++++++++++++++++
 src/render/MoneyMessages.h   | 24 ++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 src/render/MoneyMessages.cpp
 create mode 100644 src/render/MoneyMessages.h

diff --git a/src/render/MoneyMessages.cpp b/src/render/MoneyMessages.cpp
new file mode 100644
index 00000000..c18c7a8a
--- /dev/null
+++ b/src/render/MoneyMessages.cpp
@@ -0,0 +1,86 @@
+#include "common.h"
+#include "patcher.h"
+#include "MoneyMessages.h"
+#include "Timer.h"
+#include "Sprite.h"
+#include "Font.h"
+#include "Text.h"
+
+#define MONEY_MESSAGE_LIFETIME_MS 2000
+
+CMoneyMessage CMoneyMessages::aMoneyMessages[NUMMONEYMESSAGES];
+
+void
+CMoneyMessage::Render()
+{
+	const float MAX_SCALE = 4.0f;
+	uint32 dwLifeTime = CTimer::GetTimeInMilliseconds() - m_nTimeRegistered;
+	if (dwLifeTime >= MONEY_MESSAGE_LIFETIME_MS) m_nTimeRegistered = 0;
+	else {
+		float fLifeTime = (float)dwLifeTime / MONEY_MESSAGE_LIFETIME_MS;
+		RwV3d vecOut;
+		float fDistX, fDistY;
+		if (CSprite::CalcScreenCoors(m_vecPosition + CVector(0.0f, 0.0f, fLifeTime), &vecOut, &fDistX, &fDistY, true)) {
+			fDistX *= (0.7 * fLifeTime + 2.0) * m_fSize;
+			fDistY *= (0.7 * fLifeTime + 2.0) * m_fSize;
+			CFont::SetPropOn();
+			CFont::SetBackgroundOff();
+
+			float fScaleY = fDistY / 100.0f;
+			if (fScaleY > MAX_SCALE) fScaleY = MAX_SCALE;
+
+			float fScaleX = fDistX / 100.0f;
+			if (fScaleX > MAX_SCALE) fScaleX = MAX_SCALE;
+
+			CFont::SetScale(fScaleX, fScaleY); // maybe use SCREEN_SCALE_X and SCREEN_SCALE_Y here?
+			CFont::SetCentreOn();
+			CFont::SetCentreSize(SCREEN_WIDTH);
+			CFont::SetJustifyOff();
+			CFont::SetColor(CRGBA(m_Colour.r, m_Colour.g, m_Colour.b, (255.0f - 255.0f * fLifeTime) * m_fOpacity));
+			CFont::SetBackGroundOnlyTextOff();
+			CFont::SetFontStyle(FONT_BANK);
+			CFont::PrintString(vecOut.x, vecOut.y, m_aText);
+		}
+	}
+}
+
+void
+CMoneyMessages::Init()
+{
+	for (int32 i = 0; i < NUMMONEYMESSAGES; i++)
+		aMoneyMessages[i].m_nTimeRegistered = 0;
+}
+
+void
+CMoneyMessages::Render()
+{
+	for (int32 i = 0; i < NUMMONEYMESSAGES; i++) {
+		if (aMoneyMessages[i].m_nTimeRegistered)
+			aMoneyMessages[i].Render();
+	}
+}
+
+void
+CMoneyMessages::RegisterOne(CVector vecPos, const char *pText, uint8 bRed, uint8 bGreen, uint8 bBlue, float fSize, float fOpacity)
+{
+	uint32 nIndex = 0;
+	while (aMoneyMessages[nIndex].m_nTimeRegistered != 0) {
+		if (++nIndex >= NUMMONEYMESSAGES) return;
+	}
+
+	// Add data of this money message to the array
+	AsciiToUnicode(pText, aMoneyMessages[nIndex].m_aText);
+
+	aMoneyMessages[nIndex].m_nTimeRegistered = CTimer::GetTimeInMilliseconds();
+	aMoneyMessages[nIndex].m_vecPosition = vecPos;
+	aMoneyMessages[nIndex].m_Colour.red = bRed;
+	aMoneyMessages[nIndex].m_Colour.green = bGreen;
+	aMoneyMessages[nIndex].m_Colour.blue = bBlue;
+	aMoneyMessages[nIndex].m_fSize = fSize;
+	aMoneyMessages[nIndex].m_fOpacity = fOpacity;
+}
+
+STARTPATCHES
+	InjectHook(0x51AF70, CMoneyMessages::Init, PATCH_JUMP);
+	InjectHook(0x51B030, CMoneyMessages::Render, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/render/MoneyMessages.h b/src/render/MoneyMessages.h
new file mode 100644
index 00000000..f0a48a84
--- /dev/null
+++ b/src/render/MoneyMessages.h
@@ -0,0 +1,24 @@
+#pragma once
+
+class CMoneyMessage
+{
+	friend class CMoneyMessages;
+
+	uint32	m_nTimeRegistered;
+	CVector	m_vecPosition;
+	wchar	m_aText[16];
+	CRGBA	m_Colour;
+	float	m_fSize;
+	float	m_fOpacity;
+public:
+	void Render();
+};
+
+class CMoneyMessages
+{
+	static CMoneyMessage aMoneyMessages[NUMMONEYMESSAGES];
+public:
+	static void Init();
+	static void Render();
+	static void	RegisterOne(CVector vecPos, const char *pText, uint8 bRed, uint8 bGreen, uint8 bBlue, float fSize, float fOpacity);
+};
\ No newline at end of file