99 lines
3.0 KiB
Plaintext
99 lines
3.0 KiB
Plaintext
/*
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* Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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var string g_damage_spr_t;
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var string g_damage_spr_b;
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var string g_damage_spr_l;
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var string g_damage_spr_r;
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void
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Damage_Precache(void)
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{
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g_damage_spr_t = spriteframe("sprites/640_pain.spr", 0, 0.0f);
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g_damage_spr_r = spriteframe("sprites/640_pain.spr", 1, 0.0f);
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g_damage_spr_b = spriteframe("sprites/640_pain.spr", 2, 0.0f);
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g_damage_spr_l = spriteframe("sprites/640_pain.spr", 3, 0.0f);
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}
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void
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Damage_Draw(void)
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{
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vector center;
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vector rel_pos;
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float fw, fw_alpha;
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float rt, rt_alpha;
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if (pSeat->m_flDamageAlpha <= 0.0) {
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return;
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}
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center = video_mins + (video_res / 2);
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/* the pos relative to the player + view_dir determines which
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* and how bright each indicator is drawn. so first get the relative
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* position between us and the attacker, then calculate the strength
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* of each direction based on a dotproduct tested against our
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* camera direction.
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*/
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rel_pos = normalize(pSeat->m_vecDamagePos - getproperty(VF_ORIGIN));
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makevectors(getproperty(VF_CL_VIEWANGLES));
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fw = dotproduct(rel_pos, v_forward);
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rt = dotproduct(rel_pos, v_right);
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fw_alpha = fabs(fw) * pSeat->m_flDamageAlpha;
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if (fw > 0.25f) {
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drawpic(center + [-64,-102], g_damage_spr_t,
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[128,48], [1,1,1], fw_alpha, DRAWFLAG_ADDITIVE);
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} else if (fw < -0.25f) {
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drawpic(center + [-64,70], g_damage_spr_b,
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[128,48], [1,1,1], fw_alpha, DRAWFLAG_ADDITIVE);
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}
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rt_alpha = fabs(rt) * pSeat->m_flDamageAlpha;
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if (rt > 0.25f) {
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drawpic(center + [70,-64], g_damage_spr_r,
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[48,128], [1,1,1], rt_alpha, DRAWFLAG_ADDITIVE);
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} else if (rt < -0.25f) {
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drawpic(center + [-102,-64], g_damage_spr_l,
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[48,128], [1,1,1], rt_alpha, DRAWFLAG_ADDITIVE);
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}
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pSeat->m_flDamageAlpha -= clframetime;
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}
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/*
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* engine specific callback for when dmg_ fields are set on the client side.
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* might want to replace it at some point? probably not...
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* hence why 'save' and 'take' are unused.
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*/
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float
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CSQC_Parse_Damage(float save, float take, vector abs_pos)
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{
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int s = (float)getproperty(VF_ACTIVESEAT);
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pSeat = &g_seats[s];
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/* FIXME: while a player shooting you from [0,0,0] is unlikely, it's
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* not impossible. we only do this to lazily seperate players from
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* entities belonging to world
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*/
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if (abs_pos) {
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pSeat->m_vecDamagePos = abs_pos;
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pSeat->m_flDamageAlpha = 1.0f;
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}
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return (1);
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}
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