Initial Prey Game integration support.

neo/prey/Prey/ai_mutate.cpp

@@ -0,0 +1,63 @@
+
+
+#include "precompiled.h"
+#pragma hdrstop
+
+#include "prey_local.h"
+
+#ifndef ID_DEMO_BUILD //HUMANHEAD jsh PCF 5/26/06: code removed for demo build
+CLASS_DECLARATION(hhMonsterAI, hhMutate)
+	EVENT( MA_OnProjectileLaunch,	hhMutate::Event_OnProjectileLaunch )
+END_CLASS
+
+void hhMutate::Event_OnProjectileLaunch(hhProjectile *proj) {
+	const function_t *newstate = NULL;
+	if ( !enemy.IsValid() || !AI_COMBAT ) {
+		return;
+	}
+
+	float min = spawnArgs.GetFloat( "dda_dodge_min", "0.3" );
+	float max = spawnArgs.GetFloat( "dda_dodge_max", "0.8" );
+	float dodgeChance = 0.6f;
+
+	dodgeChance = (min + (max-min)*gameLocal.GetDDAValue() );
+
+	if ( ai_debugBrain.GetBool() ) {
+		gameLocal.Printf( "%s dodge chance %f\n", GetName(), dodgeChance );
+	}
+	if ( gameLocal.random.RandomFloat() > dodgeChance ) {
+		return;
+	}
+
+	//determine which side to dodge to
+	idVec3 povPos, targetPos;
+	povPos = enemy->GetPhysics()->GetOrigin();
+	targetPos = GetPhysics()->GetOrigin();
+	idVec3 povToTarget = targetPos - povPos;
+	povToTarget.z = 0.f;
+	povToTarget.Normalize();
+	idVec3 povLeft, povUp;
+	povToTarget.OrthogonalBasis(povLeft, povUp);
+	povLeft.Normalize();
+
+	idVec3 projVel = proj->GetPhysics()->GetLinearVelocity();
+	projVel.Normalize();
+	float dot = povLeft * projVel;
+	if ( dot < 0 ) { 
+		newstate = GetScriptFunction( "state_DodgeBackRight" );
+	} else {
+		newstate = GetScriptFunction( "state_DodgeBackLeft" );
+	}
+
+	if ( newstate ) {
+		SetState( newstate );
+		UpdateScript();
+	}
+}
+
+#define LinkScriptVariable( name )	name.LinkTo( scriptObject, #name )
+void hhMutate::LinkScriptVariables(void) {
+	hhMonsterAI::LinkScriptVariables();
+	LinkScriptVariable( AI_COMBAT );
+}
+#endif //HUMANHEAD jsh PCF 5/26/06: code removed for demo build