/***
*
*   Copyright (c) 2016-2019 Marco 'eukara' Hladik. All rights reserved.
* 
* 	See the file LICENSE attached with the sources for usage details.
*
****/

typedef struct
{
	string m_strMessage;
	float m_flPosX;
	float m_flPosY;
	int m_iEffect;
	vector m_vecColor1;
	vector m_vecColor2;
	float m_flFadeIn;
	float m_flFadeOut;
	float m_flHoldTime;
	float m_flFXTime;
	float m_flTime;
} gametext_t;
gametext_t g_textchannels[5];

void GameText_Draw(void)
{
	for (int i = 0; i < 5; i++) {
		float a = 0.0f;
		vector rpos;
		float mtime;
		float btime;
		float strwidth;

		mtime = g_textchannels[i].m_flFadeIn + g_textchannels[i].m_flHoldTime + g_textchannels[i].m_flFadeOut;
		btime = g_textchannels[i].m_flFadeIn + g_textchannels[i].m_flHoldTime;

		if (g_textchannels[i].m_flTime > mtime) {
			continue;
		}

		strwidth = stringwidth(g_textchannels[i].m_strMessage, TRUE, [12,12]);

		if (g_textchannels[i].m_flPosX == -1) {
			rpos[0] = (vVideoResolution[0] / 2) - (strwidth/2);
		} else {
			rpos[0] = vVideoResolution[0] * g_textchannels[i].m_flPosX;

			if (g_textchannels[i].m_flPosX >= 0.5) {
				rpos[0] -= strwidth;
			}
		}

		if (g_textchannels[i].m_flPosY == -1) {
			rpos[1] = (vVideoResolution[1] / 2) - 6;
		} else {
			rpos[1] = ((vVideoResolution[1] - 12) * g_textchannels[i].m_flPosY);
		}

		if (g_textchannels[i].m_flTime < g_textchannels[i].m_flFadeIn) {
			a = (g_textchannels[i].m_flTime / g_textchannels[i].m_flFadeIn);
		} else if (g_textchannels[i].m_flTime < btime) {
			a = 1.0f;
		} else if (g_textchannels[i].m_flTime < mtime) {
			if (g_textchannels[i].m_flFadeOut) {
				a = 1 - (g_textchannels[i].m_flTime - btime) / g_textchannels[i].m_flFadeOut;
			}
		}

		if (g_textchannels[i].m_flPosX >= 0.5) {
			drawstring(rpos, g_textchannels[i].m_strMessage, '12 12', g_textchannels[i].m_vecColor2, a, 0 );
		} else {
			drawstring(rpos, g_textchannels[i].m_strMessage, '12 12', g_textchannels[i].m_vecColor2, a, 0 );
		}

		g_textchannels[i].m_flTime += clframetime;
	}
}

void GameText_Parse(void)
{
	int chan = readbyte();
	g_textchannels[chan].m_strMessage = readstring();
	g_textchannels[chan].m_flPosX = readfloat();
	g_textchannels[chan].m_flPosY = readfloat();
	g_textchannels[chan].m_iEffect = readbyte();
	g_textchannels[chan].m_vecColor1[0] = readbyte() / 255;
	g_textchannels[chan].m_vecColor1[1] = readbyte() / 255;
	g_textchannels[chan].m_vecColor1[2] = readbyte() / 255;
	g_textchannels[chan].m_vecColor2[0] = readbyte() / 255;
	g_textchannels[chan].m_vecColor2[1] = readbyte() / 255;
	g_textchannels[chan].m_vecColor2[2] = readbyte() / 255;
	g_textchannels[chan].m_flFadeIn = readfloat();
	g_textchannels[chan].m_flFadeOut = readfloat();
	g_textchannels[chan].m_flHoldTime = readfloat();
	g_textchannels[chan].m_flFXTime = readfloat();
	g_textchannels[chan].m_flTime = 0.0f;
}

void GameMessage_Parse(void)
{
	string strSound;
	float flVolume;
	int iAttenuation;

	/* TODO: Fill in the other string data from titles.txt */
	g_textchannels[0].m_strMessage = readstring();
	g_textchannels[0].m_flTime = 0.0f;

	g_textchannels[0].m_flPosX = -1;
	g_textchannels[0].m_flPosY = 0.75f;
	g_textchannels[0].m_flFadeIn = 0.5f;
	g_textchannels[0].m_flFadeOut = 0.5f;
	g_textchannels[0].m_flHoldTime = 4.0f;

	strSound = readstring();
	flVolume = readfloat();
	iAttenuation = readbyte();

	sound(self, CHAN_ITEM, strSound, flVolume, iAttenuation);
}