// 鐢ㄥ埌5寮犲浘鐗?
{
blendTexture = 0
layer0Texture = 1
layer1Texture = 2
layer2Texture = 3
layer3Texture = 4
}
!!ARBfp1.0
// 瀹氫箟甯擱噺:
PARAM c[1] = { { 1, 0.30000001, 0.69999999 } };
// 澹版槑3涓瘎瀛樺櫒:
TEMP R0;
TEMP R1;
TEMP R2;
// 寮濮嬫販鍚?
// 涓.絎?灞傚拰絎?灞備嬌鐢ㄧ4寮犲浘鐨剎閫氶亾浣滀負alpha榪涜娣峰悎:
TEX R1, fragment.texcoord[0], texture[0], 2D;
TEX R0, fragment.texcoord[1], texture[1], 2D;
ADD R2, R0, -R1;
// r2=Tex1-Tex0
TEX R0, fragment.texcoord[4], texture[4], 2D;
MAD R2, R0.x, R2, R1;
// r2 = Tex4.x*r2+Tex0
// 璇存槑:
// 鍏朵腑鐨凾ex4.x鏄搴旂1灞俛lpha鍊? 涓嬮潰鎶奣ex4.x褰揳1鐪?br>// 鍗?r2 = a1 * (Tex1-Tex0) + Tex0
// 杞崲涓涓嬪嵆鏄? Tex0*(1-a1)+a1*Tex1, 鍛靛懙,鐪嬪埌浜嗗惂,榪欏氨鏄販鍚堝叕寮?
// 浜?絎?灞傚拰鍓嶉潰緇撴灉浣跨敤絎?寮犲浘鐨剏閫氶亾浣滀負alpha榪涜娣峰悎:
TEX R1, fragment.texcoord[2], texture[2], 2D;
ADD R1, R1, -R2;
// r1=Tex2-r2
MAD R2, R0.y, R1, R2;
// r2 = Tex4.y*r1+r2, 鍗?a2*r1+r2 = a2*(Tex2-r2)+r2, 鍗硆2*(1-a2)+Tex2*a2, 鍏朵腑r2鍗蟲槸涓婃0鍜?灞傛販鍚堝悗鐨勭粨鏋?br>// 涓?絎?灞傚拰鍓嶉潰緇撴灉浣跨敤絎?寮犲浘鐨剒閫氶亾浣滀負alpha榪涜娣峰悎:
TEX R1, fragment.texcoord[3], texture[3], 2D;
ADD R1, R1, -R2;
// r1=Tex3-r2
MAD R1, R0.z, R1, R2;
// r1=a3*r1+r2 , 鍗?a3*r1+r2 = a3*(Tex3-r2)+r2, 鍗硆2*(1-a3)+Tex3*a3
// 榪欐牱r1灝變繚瀛樹簡鏈緇堢殑娣峰悎緇撴灉
// 鍥?璁╅槾褰卞湴琛ㄥ厜娉界郴鏁頒負0(Tex4.w鍗砤閫氶亾浠ｈ〃鍦板艦鐨勯槾褰?0涓洪槾褰?1涓烘甯?鑰屾瘡灞傝創(chuàng)鍥句腑鐨刟閫氶亾鏄厜娉介氶亾,鎵浠1.w淇濆瓨鐨勬槸鏈緇堢殑鍏夋辰閫氶亾鍊?:
MUL R0.x, R1.w, R0.w;
// r0.x = r1.w(鍏夋辰)*Tex4.w(闃村獎鍊? 鏄槾褰卞垯=0,鍚﹀垯=1)
// 璁＄畻鍓婂噺緋繪暟?
MAD R0.w, R0, c[0].y, c[0].z; // r0涔樹笂0.3(鍓婂噺浜?0錛?鍐嶅姞涓婁竴涓父閲?.69999999
// 鍙嶅皠楂樺厜 = secondary_color(鍙嶅皠鍏?*鍏夋辰:
MUL R0.xyz, R0.x, fragment.color.secondary;
// 璐村浘鏈緇坈olor = 鏈緇堣創(chuàng)鍥炬販鍑虹殑color*鍓婂噺緋繪暟:
MUL R1.xyz, R1, R0.w;
// 璐村浘鏈緇坈olor * primary_color(鍏夌収鑹叉垨鏄《鐐硅壊) + 鍙嶅皠楂樺厜:
MAD result.color.xyz, R1, fragment.color.primary, R0;
// alpha:
MOV result.color.w, c[0].x;
END
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛?a >http://blog.csdn.net/flipcode/archive/2008/03/03/2143452.aspx
]]>
欖斿吔涓栫晫鐨勫湴褰㈡覆鏌擄紝鍩烘湰涓婃湁涓夌娓叉煋璺緞錛氬浐瀹氭覆鏌撶綰匡紙鍏朵腑鏄笉鏄張鍒嗗嚑縐嶅氨涓嶆竻妤氫簡錛夛紱shader錛堝甫楂樺厜錛夛紱shader錛堜笉甯﹂珮鍏夛級
銆銆鐢ㄥ埌shader鐨勬覆鏌撹礬寰勫張鍒嗗埆閽堝1灞傦紝2灞傦紝3灞傦紝4灞傦紙鏈澶氬厑璁告瘡涓猚hunk浣跨敤4灞傜汗鐞嗭級涓撻棬鍐欎簡shader浠ｇ爜銆?br>銆銆鐢∕yWarCraftStudio鎵撳紑WOW鐨刴isc.mpq鍖咃紝shader \ pixel \ 鐩綍涓嬩互"terrain"鎵撳ご鐨刡ls鏂囦歡灝辨槸鍦板艦娓叉煋浣跨敤鐨剆hader錛屽甫鏈?_s"鍚庣紑鐨勬槸甯﹂珮鍏夌殑娓叉煋錛屽惁鍒欏氨鏄笉甯﹂珮鍏夌殑銆?br>銆銆鎴戜粩緇嗙湅浜嗗叾涓殑terrain4_s.bls錛堢敤UltraEdit涔嬬被鐨勫伐鍏峰彲浠ョ洿鎺ュ綋鎴愭枃鏈枃浠舵墦寮錛夈傛槸姹囩紪褰㈠紡鐨刾s浠ｇ爜錛岀敱浜庝箣鍓嶄亢鍙敤榪嘽褰㈠紡鐨凥LSL鎵浠ョ湅璧鋒潵鏈夌偣鍚冨姏錛屽ソ鍦ㄨ繕鏄湅鏄庣櫧浜嗐?br>銆銆texture0~3灝辨槸寰呮販鍚堢殑4灞傜汗鐞嗭紝姣忓眰綰圭悊鐨刟閫氶亾鏄灞傜汗鐞嗗搴旂殑楂樺厜閫氶亾錛泃exture4鏄竴寮犵敤鏉ユ帶鍒舵販鍚堟潈閲嶇殑alpha綰圭悊銆倀exture4鐨剅,g,b閫氶亾鍒嗗埆瀵瑰簲texture1~3鐨刟lpha鍊鹼紝鑰宼exture4.a鍒欎唬琛ㄥ湴褰㈢殑闃村獎錛?涓洪槾褰憋紝1涓烘甯搞?br>銆銆娣峰悎鐨勫叕寮忎負res_n = res_n-1 * ( 1 - alpha_n ) + texture_n * alpha_n銆傚叾涓璶浠ｈ〃絎琻灞傜汗鐞嗐俽es_n浠ｈ〃絎琻灞傛販鍚堝悗鐨勭粨鏋溿?br>銆銆浠庝唬鐮佸彲浠ョ湅鍑猴紝鏈緇堟販鍚堢粨鏋滅殑a閫氶亾錛堥珮鍏夐氶亾錛夎涔樹互闃村獎鍊鹼紝涔熷氨鏄闃村獎涓病鏈夐珮鍏夈傚悓鏃訛紝闃村獎涓殑diffuse鍏夌収琚墛鍑忎簡30錛呫?br>銆銆1錛?錛?灞傜汗鐞嗘販鍚堬紝浠ュ強涓嶅甫楂樺厜鐨勬儏鍐墊兂蹇呬篃娌℃湁浠涔堢壒鍒箣澶勶紝涔熶笉鍘葷粏鐪嬩簡銆?br>銆銆鍊煎緱涓鎻愮殑鏄垜鍘熸潵涓鐩翠互涓篧OW鐨勫湴褰㈡覆鏌撳彧鐢ㄤ簡ps_1_1錛屼絾浠庤繖涓猻hader鐪嬬敤浜?寮犵汗鐞嗭紝瓚呭嚭浜唒s_1_1鐨?涓汗鐞嗛噰鏍風(fēng)殑闄愬埗錛屾墍浠ヨ嚦灝戜嬌鐢ㄤ簡ps_1_4錛堝厑璁?涓汗鐞嗛噰鏍鳳級銆傝?锝?灞傜汗鐞嗘販鍚堢殑鎯呭喌浣跨敤ps_1_1灝卞浜嗐傛垜涓嶇煡閬撳湪娓叉煋鏃墮綣佸垏鎹s鐗堟湰浼氫笉浼氭敹鍒版ц兘涓婄殑鎯╃綒錛屼絾鏈変簺鏄懼崱錛堟瘮濡侼V鐨?200錛夊悓鏍風(fēng)殑浠ｇ爜鍦╬s_1_4涓婅繍琛岃姣斿湪ps_1_1涓婅繍琛屾參寰堝銆?br>銆銆鑷充簬鍥哄畾娓叉煋綆＄嚎鐨勬覆鏌撹礬寰勶紝鐢變簬涓嶅彲鑳界湅鍒頒唬鐮侊紝鍏蜂綋濡備綍瀹炵幇澶氬眰綰圭悊娣峰悎鏃犳硶鎻ｆ祴錛岄泦鍚堜簡鍚勫眰綰圭悊娣峰悎緋繪暟鐨刟lpha鍥懼簲璇ヤ笉鑳界洿鎺ョ敤浜庢覆鏌擄紝鍥犱負鍥哄畾娓叉煋綆＄嚎浼間箮鍙兘鐢╝閫氶亾鏉ユ帶鍒舵販鍚堢郴鏁幫紝鍙兘闇瑕佸皢榪欏紶綰圭悊鎷嗘垚4寮犳墠琛屻傘傘?/span>
]]>
鐢變簬娌℃湁wow鐨勬簮浠ｇ爜錛屾墍鏈夌殑鍒嗘瀽鎯蟲硶閮芥潵鑷笌wowmapview榪欎釜寮婧愮殑wow鍦板浘瀵熺湅鍣紝wowmapview鐨勪唬鐮佸啓鐨勫緢鍑屼貢錛屼絾寰堝鏄撶悊瑙ｏ紝濂戒簡錛屾垜浠紑濮嬪惂錛丟ogo
wow鍦烘櫙鏄敱涓緋誨垪MapTile緇勬垚錛岃繖浜汳apTile鐨勫ぇ灝忔槸1600/3 鈮?533.33m錛岃屾瘡涓狹apTile鍙堟槸鐢?16x16 涓狹apChunk緇勬垚錛岀敱姝ゅ彲浠ヨ綆楀嚭姣忎釜MapChunk鈮?3.33m錛屽鍥撅細
鍦╳ow涓紝涓涓狹apTile鏄湁鐢變竴涓猘dt鏂囦歡鎻忚堪銆?
姣斿World\Maps\AhnQiraj\AhnQiraj_29_48.adt鏂囦歡灝辨弿榪板湪xz錛?9錛?8錛変綅緗殑MapTile錛屾瘡涓狹apTile閮藉寘鍚簡璇ile鍐呬嬌鐢ㄧ殑璐村浘錛堝紩鐢ㄥ閮級銆佹ā鍨嬶紙寮曠敤澶栭儴錛夈亀mo錛圡apObject錛夈佹ā鍨嬪疄渚嬨亀mo瀹炰緥錛屾墍璋撴ā鍨嬪疄渚嬪氨鏄浉鍚屾ā鍨嬪湪tile鍐呬笉鍚屾憜鏀句綅緗佸ぇ灝忋佽搴︾殑璇存槑淇℃伅錛屽湪wow寮曟搸涓殑鏈鏄痙oodad錛屽嵆鍙互闅忔剰鎽嗘斁鐨勫皬涓滆タ錛寃mo瀹炰緥綾諱技銆備負浜嗚妭鐪佹枃浠跺昂瀵革紝妯″紡瀹炰緥銆亀mo瀹炰緥鏄氳繃index妯″瀷銆亀mo鐨勬柟寮忎繚瀛樼殑錛屽悓欏剁偣绱㈠紩綾諱技銆?
姣忎釜MapChunk鍙堢敱9x9錛?x8涓湴褰㈤《鐐歸珮搴︼紝娉曠嚎錛岃嫢騫茶創(chuàng)鍥懼眰錛堜竴鑸負4灞傦級錛屾按闈紝Alpha璐村浘灞傦紙鐢ㄤ簬鎺у埗鍦拌〃璐村浘鐨勬販鍚堟瘮渚嬶紝涓鑸負3寮狅紝灝哄64x64錛夊拰涓灞俿hadow map錛?4x64錛夌粍鎴愩傚鍥撅紝鐢辨鍙帹綆楀嚭wow鐨勫湴闈㈢簿搴︹増2m
Wow鐨勫湴琛ㄦ槸闈炲父綺劇粏鐨勶紝榪欎笌瀹冧嬌鐢ㄤ簡alpha璐村浘鎺у埗鍦拌〃娣峰悎姣斾緥鏈夊叧錛岃屼竴鑸殑寮曟搸鍒欐妸鍦拌〃璐村浘鐨勬販鍚堟瘮渚嬫斁鍦ㄥ湴琛ㄩ《鐐逛腑璁板綍錛岃繖鏍峰湴琛ㄧ殑綺懼害灝嗗悓欏剁偣瀵嗗害淇濇寔涓鑷淬?
Wow浣跨敤鍥哄畾鏂瑰悜鍏夌収錛屾墍浠ュ彲浠ヤ嬌鐢╯hadow map鏉ユā鎷熸爲(wèi)銆佹埧瀛愮瓑鍦ㄥ湴琛ㄩ忓皠鐨勯槾褰憋紝shadow map鐨勫昂瀵鎬篃鏄?4x64錛屽彲瑙侀槾褰辯殑綺懼害涔熸槸闈炲父楂樼殑銆?
榪欐牱鐨勫湴褰㈤《鐐瑰垎甯冩槸wow鍦ㄦ渶楂樺湴琛ㄧ簿搴︿笅鐨勯珮搴﹂《鐐瑰竷灞錛屽綋鐩告満榪滅MapChunk鏃訛紝榪欎釜楂樺害欏剁偣鐨勫竷灞鍙兘鏄繖鏍鳳細
姝ゆ椂錛屽湴琛ㄧ殑綺懼害鈮?m銆?/p>
Wow鐨勫湴琛ㄦ槸鏀寔鎸栨礊鐨勶紝鏈夋剰鎬濈殑鏄負浜嗚妭鐪佺┖闂達紝鍏舵爣紺烘寲媧炵殑淇℃伅鏁版嵁灝辨槸涓涓猧nt錛岄氳繃浣跨敤浣嶈繍綆楁潵寰楀埌涓涓?x4綺懼害鐨勬寲媧炰俊鎭紝鎴戜滑涓嶆斁鎶婅繖縐?x4鐨勬礊鍙仛holeChunk錛屾瘡涓猦oleChunk鏀寔4縐嶇姸鎬佹潵鏍囩ず鍏跺唴閮?x2鐨勬礊鍒嗗竷鐘跺喌錛岀敱姝ゅ彲瑙亀ow鍦ㄦ暟鎹粨鏋勬柟闈㈠凡緇忓彂鎸ュ埌浜嗘瀬鑷達細瀵逛簬闇瑕佺簿瀵嗚〃鐜扮殑鍦拌〃濂戒笉鍚濆暚鐨勪嬌鐢?4x64娣峰悎璐村浘錛岃屽浜巋ole榪欑鍙渶瑕佺矖鐣ワ紙涓鍗婅繕涓嶄嬌鐢ㄧ殑涓滆タ錛夌殑璁板綍涓涓猧nt銆?/p>