From a4c804b49ec872b71bd5a0167c3ad45704a3cc30 Mon Sep 17 00:00:00 2001
From: adiblol <adiblol@1tbps.org>
Date: Thu, 8 Mar 2012 19:32:05 +0100
Subject: Initial commit, Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA,
 www.epsitec.ch

---
 src/planet.cpp | 232 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 232 insertions(+)
 create mode 100644 src/planet.cpp

(limited to 'src/planet.cpp')

diff --git a/src/planet.cpp b/src/planet.cpp
new file mode 100644
index 0000000..c479b1f
--- /dev/null
+++ b/src/planet.cpp
@@ -0,0 +1,232 @@
+// planet.cpp
+
+#define STRICT
+#define D3D_OVERLOADS
+
+#include <windows.h>
+#include <stdio.h>
+#include <d3d.h>
+
+#include "struct.h"
+#include "D3DEngine.h"
+#include "D3DMath.h"
+#include "event.h"
+#include "misc.h"
+#include "iman.h"
+#include "math3d.h"
+#include "planet.h"
+
+
+
+
+// Constructeur du terrain.
+
+CPlanet::CPlanet(CInstanceManager* iMan, CD3DEngine* engine)
+{
+	m_iMan = iMan;
+	m_iMan->AddInstance(CLASS_PLANET, this);
+
+	m_engine = engine;
+	Flush();
+
+}
+
+// Destructeur du terrain.
+
+CPlanet::~CPlanet()
+{
+}
+
+
+// Supprime toutes les planètes.
+
+void CPlanet::Flush()
+{
+	int		i, j;
+
+	for ( j=0 ; j<2 ; j++ )
+	{
+		for ( i=0 ; i<MAXPLANET ; i++ )
+		{
+			m_planet[j][i].bUsed = FALSE;
+		}
+	}
+
+	m_bPlanetExist = FALSE;
+	m_mode = 0;
+	m_time = 0.0f;
+}
+
+
+// Gestion d'un événement.
+
+BOOL CPlanet::EventProcess(const Event &event)
+{
+	if ( event.event == EVENT_FRAME )
+	{
+		return EventFrame(event);
+	}
+	return TRUE;
+}
+
+// Fait évoluer les planètes.
+
+BOOL CPlanet::EventFrame(const Event &event)
+{
+	float		a;
+	int			i;
+
+	if ( m_engine->RetPause() )  return TRUE;
+
+	m_time += event.rTime;
+
+	for ( i=0 ; i<MAXPLANET ; i++ )
+	{
+		if ( !m_planet[m_mode][i].bUsed )  continue;
+
+		a = m_time*m_planet[m_mode][i].speed;
+		if ( a < 0.0f )
+		{
+			a += PI*1000.0f;
+		}
+		m_planet[m_mode][i].angle.x = a+m_planet[m_mode][i].start.x;
+		m_planet[m_mode][i].angle.y = sinf(a)*sinf(m_planet[m_mode][i].dir)+m_planet[m_mode][i].start.y;
+	}
+
+	return TRUE;
+}
+
+
+// Charge toutes les textures pour les planètes.
+
+void CPlanet::LoadTexture()
+{
+	int		i, j;
+
+	for ( j=0 ; j<2 ; j++ )
+	{
+		for ( i=0 ; i<MAXPLANET ; i++ )
+		{
+			if ( !m_planet[j][i].bUsed )  continue;
+
+			m_engine->LoadTexture(m_planet[j][i].name);
+		}
+	}
+}
+
+// Dessine toutes les planètes.
+
+void CPlanet::Draw()
+{
+	LPDIRECT3DDEVICE7 device;
+	D3DVERTEX2	vertex[4];	// 2 triangles
+	D3DVECTOR	n;
+	FPOINT		p1, p2;
+	float		eyeDirH, eyeDirV, dp, u1, u2, v1, v2, a;
+	int			i;
+
+	device = m_engine->RetD3DDevice();
+	eyeDirH = m_engine->RetEyeDirH();
+	eyeDirV = m_engine->RetEyeDirV();
+
+	n = D3DVECTOR(0.0f, 0.0f, -1.0f);  // normale
+	dp = 0.5f/256.0f;
+
+	for ( i=0 ; i<MAXPLANET ; i++ )
+	{
+		if ( !m_planet[m_mode][i].bUsed )  continue;
+
+		m_engine->SetTexture(m_planet[m_mode][i].name);
+
+		if ( m_planet[m_mode][i].bTGA )
+		{
+			m_engine->SetState(D3DSTATEWRAP|D3DSTATEALPHA);
+		}
+		else
+		{
+			m_engine->SetState(D3DSTATEWRAP|D3DSTATETTb);
+		}
+
+		a = eyeDirH + m_planet[m_mode][i].angle.x;
+		p1.x = Mod(a, PI*2.0f)-0.5f;
+
+		a = eyeDirV + m_planet[m_mode][i].angle.y;
+		p1.y = 0.4f+(Mod(a+PI, PI*2.0f)-PI)*(2.0f/PI);
+
+		p1.x -= m_planet[m_mode][i].dim/2.0f*0.75f;
+		p1.y -= m_planet[m_mode][i].dim/2.0f;
+		p2.x = p1.x+m_planet[m_mode][i].dim*0.75f;
+		p2.y = p1.y+m_planet[m_mode][i].dim;
+
+		u1 = m_planet[m_mode][i].uv1.x + dp;
+		v1 = m_planet[m_mode][i].uv1.y + dp;
+		u2 = m_planet[m_mode][i].uv2.x - dp;
+		v2 = m_planet[m_mode][i].uv2.y - dp;
+
+		vertex[0] = D3DVERTEX2(D3DVECTOR(p1.x, p1.y, 0.0f), n, u1,v2);
+		vertex[1] = D3DVERTEX2(D3DVECTOR(p1.x, p2.y, 0.0f), n, u1,v1);
+		vertex[2] = D3DVERTEX2(D3DVECTOR(p2.x, p1.y, 0.0f), n, u2,v2);
+		vertex[3] = D3DVERTEX2(D3DVECTOR(p2.x, p2.y, 0.0f), n, u2,v1);
+
+		device->DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX2, vertex, 4, NULL);
+		m_engine->AddStatisticTriangle(2);
+	}
+}
+
+
+// Crée une nouvelle planète.
+
+BOOL CPlanet::Create(int mode, FPOINT start, float dim, float speed,
+					 float dir, char *name, FPOINT uv1, FPOINT uv2)
+{
+	int		i;
+
+	if ( mode < 0 )  mode = 0;
+	if ( mode > 1 )  mode = 1;
+
+	for ( i=0 ; i<MAXPLANET ; i++ )
+	{
+		if ( m_planet[mode][i].bUsed )  continue;
+
+		m_planet[mode][i].bUsed = TRUE;
+		m_planet[mode][i].start = start;
+		m_planet[mode][i].angle = start;
+		m_planet[mode][i].dim   = dim;
+		m_planet[mode][i].speed = speed;
+		m_planet[mode][i].dir   = dir;
+
+		strcpy(m_planet[mode][i].name, name);
+		m_planet[mode][i].uv1   = uv1;
+		m_planet[mode][i].uv2   = uv2;
+
+		m_planet[mode][i].bTGA = ( strstr(m_planet[mode][i].name, "planet") != 0 );
+
+		m_bPlanetExist = TRUE;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+// Indique s'il existe au moins une planète.
+
+BOOL CPlanet::PlanetExist()
+{
+	return m_bPlanetExist;
+}
+
+
+// Choix du mode.
+
+void CPlanet::SetMode(int mode)
+{
+	if ( mode < 0 )  mode = 0;
+	if ( mode > 1 )  mode = 1;
+	m_mode = mode;
+}
+
+int CPlanet::RetMode()
+{
+	return m_mode;
+}
+
-- 
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